6th Class Science Electricity and Circuits Question Bank

done Electricity Total Questions - 100

• question_answer1)
  Electrons are
  A)
  negatively charged particles done clear
  B)
  positively charged particles done clear
  C)
  neutral particles done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer2)
  A cell is represented by symbol
  A)
  done clear
  B)
                                   done clear
  C)
  done clear
  D)
                                   done clear
  View Solution play_arrow

• question_answer3)
  An ammeter is
  A)
  a combination of two or more cells. done clear
  B)
  a source of current. done clear
  C)
  used to control the flow of current. done clear
  D)
  an instrument used for measuring the magnitude of current. done clear
  View Solution play_arrow

• question_answer4)
  Human body is
  A)
  a good conductor of electricity done clear
  B)
  a non-conductor of electricity done clear
  C)
  a very poor conductor of electricity done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer5)
  To close or open the electric circuit we use
  A)
  connecting wire           done clear
  B)
  ammeter done clear
  C)
  plug key         done clear
  D)
  cell done clear
  View Solution play_arrow

• question_answer6)
  When we switched OFF an electric circuit, the circuit becomes
  A)
  open             done clear
  B)
  closed done clear
  C)
  cannot say                   done clear
  D)
  partially open done clear
  View Solution play_arrow

• question_answer7)
  In a closed electric circuit, current flows
  A)
  in the direction of flow of electrons done clear
  B)
  in the direction opposite to the flow of electrons. done clear
  C)
  negative terminal to positive terminal of cells done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer8)
  Inside a cell current flows from
  A)
  positive terminal to negative terminal done clear
  B)
  negative terminal to positive terminal done clear
  C)
  positive terminal to positive terminal done clear
  D)
  either (a) or (b) done clear
  View Solution play_arrow

• question_answer9)
  Electric cell converts
  A)
  electric energy into chemical energy done clear
  B)
  heat energy into electric energy done clear
  C)
  chemical energy into electric energy done clear
  D)
  electric energy into light energy done clear
  View Solution play_arrow

• question_answer10)
  There is a force of attraction between
  A)
  like charges only done clear
  B)
  opposite charges only done clear
  C)
  both (a) and (b) done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer11)
  Connecting wire is made of electric
  A)
  conductor                    done clear
  B)
  insulator done clear
  C)
  both (a) and  (b)          done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer12)
  If a body is positively charged, then it has
  A)
  less number of electrons done clear
  B)
  excess of protons done clear
  C)
  excess of neutrons done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer13)
  Which of the following is the best insulator?
  A)
  carbon                         done clear
  B)
  paper done clear
  C)
  graphite                       done clear
  D)
  ebonite done clear
  View Solution play_arrow

• question_answer14)
  The S.I. unit of charge is
  A)
  ampere           done clear
  B)
  coulomb/sec done clear
  C)
  coulomb          done clear
  D)
  volt done clear
  View Solution play_arrow

• question_answer15)
  Electric cell is used in
  A)
  mobile phones             done clear
  B)
  transistor done clear
  C)
  cameras                       done clear
  D)
  all of these done clear
  View Solution play_arrow

• question_answer16)
  Metal that can be used to make a connecting wire is
  A)
  copper             done clear
  B)
  silver done clear
  C)
  aluminium        done clear
  D)
          all of these done clear
  View Solution play_arrow

• question_answer17)
  An electric cell is used as a source of electricity in:
  A)
  wrist watches               done clear
  B)
  alarm clocks done clear
  C)
  transistor radios           done clear
  D)
  All of these done clear
  View Solution play_arrow

• question_answer18)
  Which part of the electric cell generally acts as positive terminal of the cell?
  A)
  Metal disc done clear
  B)
  Metal cap done clear
  C)
  Either metal disc or metal cap done clear
  D)
  All the above are correct done clear
  View Solution play_arrow

• question_answer19)
  Which part of the electric bulb gives off light, when the bulb is switched on?
  A)
  Positive terminal          done clear
  B)
  Negative terminal done clear
  C)
  Filament          done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer20)
  In an electric circuit a switch is provided. The main function of switch is to
  A)
  make the bulb glow easily done clear
  B)
  avoid the electric shocks done clear
  C)
  allow the easy flow of charges in the circuit done clear
  D)
  make or break the circuit done clear
  View Solution play_arrow

• question_answer21)
  To make an electric circuit a closed circuit should be provided with a bulb having a
  A)
  broken filament            done clear
  B)
  no filament done clear
  C)
  its filament intact         done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer22)
  Choose the best conductor of electricity
  A)
  Silver                           done clear
  B)
  Copper done clear
  C)
  Iron                              done clear
  D)
  Lead done clear
  View Solution play_arrow

• question_answer23)
  Select the one that is an excellent insulator?
  A)
  Paper               done clear
  B)
           Lead pencil done clear
  C)
  Rubber             done clear
  D)
           Mercury done clear
  View Solution play_arrow

• question_answer24)
  Name the cells in human body which look like electric wires.
  A)
  Arteries         done clear
  B)
           Veins done clear
  C)
  Neurons           done clear
  D)
           All of these done clear
  View Solution play_arrow

• question_answer25)
  Select the object which can be placed between the open ends to light up the bulb in an electric circuit.
  A)
  Needle of sewing machine done clear
  B)
  A copper coin done clear
  C)
  An iron nail done clear
  D)
  Any one of the above three done clear
  View Solution play_arrow

• question_answer26)
  Electric wires are made of
  A)
  a conducting material done clear
  B)
  aluminium done clear
  C)
  copper             done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer27)
  Electric wires are covered with
  A)
  a conducting material done clear
  B)
  insulators done clear
  C)
  Both the above            done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer28)
  If we add another bulb to an electric circuit that is provided with a glowing bulbs, then
  A)
  the new bulb will glow but the first one will not glow done clear
  B)
  none of the two bulb will glow done clear
  C)
  both the bulbs will glow but less brightly done clear
  D)
  both the bulbs will glow but more brightly done clear
  View Solution play_arrow

• question_answer29)
  It is a part of the bulb that is made up of a thin metallic wire. It is
  A)
  positive terminal          done clear
  B)
  negative terminal done clear
  C)
  filament            done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer30)
  It is a source of electricity generally used in wrist watches and transistors. It is
  A)
  an electric cell   done clear
  B)
  an electric circuit done clear
  C)
  Both the above            done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer31)
  It is a simple device used in electric circuits to make or break the electric circuit. It is
  A)
  a filament of bulb         done clear
  B)
  electric cell done clear
  C)
  electric switch done clear
  D)
  insulators done clear
  View Solution play_arrow

• question_answer32)
  Filament
  A)
  is a part of the electric bulb done clear
  B)
  consists of a thin wire done clear
  C)
  fixed in the middle of the bulb done clear
  D)
  the thin wire that gives off light when bulb is switched on done clear
  View Solution play_arrow

• question_answer33)
  Why does a faced bulb not glow when put in an electric circuit?
  A)
  The electric circuit remains incomplete done clear
  B)
  There occurs a break in the path of current done clear
  C)
  Both the above            done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer34)
  How many terminals does a cell has?
  A)
  1                                  done clear
  B)
  2 done clear
  C)
  3                                  done clear
  D)
  4 done clear
  View Solution play_arrow

• question_answer35)
  How many terminals does a bulb has?
  A)
  1                      done clear
  B)
           2 done clear
  C)
  3                      done clear
  D)
           4 done clear
  View Solution play_arrow

• question_answer36)
  How many filaments are there in a bulb?
  A)
  1              done clear
  B)
  2 done clear
  C)
  3                      done clear
  D)
           4 done clear
  View Solution play_arrow

• question_answer37)
  How many terminals are there in a switch?
  A)
  1                      done clear
  B)
           2 done clear
  C)
  3                      done clear
  D)
           4 done clear
  View Solution play_arrow

• question_answer38)
  Match the Column DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the columns.

  Column - I	Column - II
  A. Current	(p) coulomb
  B. Negatively charged particle	(q) Insulator
  C. PVC	(r) Electron
  D. Charge	(s) ampere

  A)
   \[A\to (p);B\to (s);C\to (q);D\to (s)\] done clear
  B)
   \[A\to (p);B\to (q);C\to (s);D\to (r)\] done clear
  C)
   \[A\to (p);B\to (q);C\to (r);D\to (s)\] done clear
  D)
   \[A\to (q);B\to (p);C\to (r);D\to (s)\] done clear
  View Solution play_arrow

• question_answer39)
  DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the columns.            

  Column-I	Column-II
  A.	(p) A cell
  B.	(q) A battery
  C.	(r) Switch is open
  D.	(s) Closed switch

  A)
   \[A\to (p);B\to (r);C\to (q);D\to (s)\] done clear
  B)
   \[A\to (p);B\to (q);C\to (s);D\to (r)\] done clear
  C)
   \[A\to (p);B\to (q);C\to (r);D\to (s)\] done clear
  D)
   \[A\to (q);B\to (p);C\to (r);D\to (s)\] done clear
  View Solution play_arrow

• question_answer40)
  DIRECTIONS: Read the passage given below and answer the questions that follow. Passage An electric cell is a source of electricity. Such cells are used in alarm clocks, wrist watches, transistor radios, cameras, etc. The electric cell has
  A)
  a number of terminals done clear
  B)
  only one terminal done clear
  C)
  two terminals done clear
  D)
  None of the above is correct done clear
  View Solution play_arrow

• question_answer41)
  DIRECTIONS: Read the passage given below and answer the questions that follow. Passage An electric cell is a source of electricity. Such cells are used in alarm clocks, wrist watches, transistor radios, cameras, etc. An electric cell is used
  A)
  as a source of electrical energy done clear
  B)
  as a source of muscular energy done clear
  C)
  Both the above            done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer42)
  DIRECTIONS: Read the passage given below and answer the questions that follow. Passage An electric cell is a source of electricity. Such cells are used in alarm clocks, wrist watches, transistor radios, cameras, etc. A cell is generally provided with a metal cap that generally acts as
  A)
  its positive terminal done clear
  B)
  its negative terminal done clear
  C)
  sometimes positive and sometimes negative terminal done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer43)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Connecting wire is used to connect all components of electric circuit. Reason (R): Connecting wire is made of electric conductor.
  A)
  Both (A) and R are true and R is the correct explanation of (A). done clear
  B)
  Both (A) and R are true but R is not the correct explanation of (A). done clear
  C)
  A is true but R is false.             done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer44)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Bulbs filament is made up of conductors. Reason (R): Tungsten is a good conductor of electricity.
  A)
  Both (A) and (R) are true and (R) is the correct explanation of (A). done clear
  B)
  Both (A) and (R) are true but (R) is not the correct explanation of (A). done clear
  C)
  A is true but R is false.             done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer45)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: An electric cell has two terminals. Reason (R): One of the terminals is called the positive terminal and the other is called the negative terminal.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false.             done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer46)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: An electric bulb has two terminals. Reason (R): The two terminals of an electric bulb are fixed in such a way that they do not touch each other.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false.             done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer47)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: An electric bulb glows, only when an electric current passes through it. Reason (R): In an electric circuit the direction of current is taken from negative to positive terminal of the electric cell.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false.             done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer48)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: In a closed electric circuit the current passes from one terminal of the electric cell to the other terminal. Reason (R): Generally the metal disc of a cell acts as positive terminal.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false.             done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer49)
  DIRECTIONS: Read the following two statements carefully and choose the correct options. Statement-1: Filament is a part of electric bulb. Statement-2: Filament consist of a thick metallic wire.
  A)
  Statement (1) is correct while statement (2) is incorrect. done clear
  B)
  Statement (2) is correct while statement (1) is incorrect. done clear
  C)
  Both statements are correct done clear
  D)
  Both statements are incorrect. done clear
  View Solution play_arrow

• question_answer50)
  Figure Based Questions The filament of a bulb will glow in the given electric circuit, if the plug key is
  A)
  open               done clear
  B)
           closed done clear
  C)
  both (a) and  (b)          done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer51)
  The symbol of an open switch is shown in
  A)
  figure (i) done clear
  B)
  figure (ii) done clear
  C)
  both figure (i) and figure (ii) done clear
  D)
  None of the above is correct done clear
  View Solution play_arrow

• question_answer52)
  The symbol for a closed switch is shown in
  A)
  figure (i) done clear
  B)
  figure (ii) done clear
  C)
  both figure (i) and figure (ii) done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer53)
  Which of the following represent a cell?
  A)
  (i) done clear
  B)
  (ii) done clear
  C)
  neither (i) nor (ii) done clear
  D)
  we cannot represent a cell done clear
  View Solution play_arrow

• question_answer54)
  Look at the following diagram and tell whether the switch in it is
  A)
  open                done clear
  B)
           closed done clear
  C)
  absent              done clear
  D)
           None of these done clear
  View Solution play_arrow

• question_answer55)
  Which part of the bulb is made up of an insulator material?
  A)
  A                      done clear
  B)
           B done clear
  C)
  C                     done clear
  D)
           D done clear
  View Solution play_arrow

• question_answer56)
  Which material is the best conductor of electricity?
  A)
  metal               done clear
  B)
      glass done clear
  C)
  wood                done clear
  D)
     plastic done clear
  View Solution play_arrow

• question_answer57)
  Two charges are placed at a certain distance. A metallic sheet is placed between them. What will happen to the force between the two charges?
  A)
  Increase           done clear
  B)
           Decrease done clear
  C)
  Remains unchanged    done clear
  D)
  Either (a) or (b) done clear
  View Solution play_arrow

• question_answer58)
  If a body is charged by rubbing, its weight
  A)
  remains precisely constant done clear
  B)
  increases slightly done clear
  C)
  decreases slightly done clear
  D)
  may increase slightly or may decrease slightly done clear
  View Solution play_arrow

• question_answer59)
  First electro chemical cell was designed by
  A)
  Leclanche         done clear
  B)
           Faraday done clear
  C)
  volta                done clear
  D)
           None of these done clear
  View Solution play_arrow

• question_answer60)
  When a wire is connected through a source of electricity, particles moving through the wire are
  A)
  protons            done clear
  B)
           atoms done clear
  C)
  electrons          done clear
  D)
          ions done clear
  View Solution play_arrow

• question_answer61)
  A battery is connected to an electric lamp. If one more identical lamp is connected in series with the first, what will happen to the current?
  A)
  It will increase done clear
  B)
           It will remain the same done clear
  C)
  It will decrease             done clear
  D)
  It will become zero done clear
  View Solution play_arrow

• question_answer62)
  Non metals like .......... and ............. are conductor of electricity.
  A)
  wood and paper done clear
  B)
  graphite and gas carbon done clear
  C)
  glass and rubber done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer63)
  A complete electric circuit is called a/an....... electric circuit.
  A)
  open               done clear
  B)
           closed done clear
  C)
  terminal          done clear
  D)
           None of these done clear
  View Solution play_arrow

• question_answer64)
  Metals conduct charges better than wood because metals have more
  A)
  protons done clear
  B)
  free electrons done clear
  C)
  negative ions done clear
  D)
  space between particles done clear
  View Solution play_arrow

• question_answer65)
  The electric current passes from one terminal to the other terminal of the electric cell, when
  A)
  electric circuit is open done clear
  B)
  electric circuit is closed done clear
  C)
  electric circuit is provided with a switch done clear
  D)
  All the above are correct done clear
  View Solution play_arrow

• question_answer66)
  What for is a tester used by the electrician?
  A)
  to test the presence of electric current done clear
  B)
  to find the amount of electric current passing through an electric circuit done clear
  C)
  to measure the rate of flow of current through an electric circuit done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer67)
  In an electric circuit, the two terminals of the electric cell are
  A)
  connected directly to each other done clear
  B)
  connected to the filament of the bulb done clear
  C)
  connected to the two terminals of the bulb done clear
  D)
  All the above are correct done clear
  View Solution play_arrow

• question_answer68)
  Which of the following is correct?
  A)
  The air gap surrounding an electric circuit never acts as insulator. done clear
  B)
  Our body is not a good conductor of electricity done clear
  C)
  In a cell there are always two terminals done clear
  D)
  All the above are correct done clear
  View Solution play_arrow

• question_answer69)
  A person working as line man with electricity department is advised not to handle electric wires with bare hands and always bear rubber gloves while working with electric wires. This advice is given because
  A)
  he will get electrocuted if he handles live electric wires with bare hands done clear
  B)
  the rubber gloves being insulators will protect him from electric shocks done clear
  C)
  the rubber gloves control the electric flow done clear
  D)
  Both (a) and (b) done clear
  View Solution play_arrow

• question_answer70)
  Select the correct statement:
  A)
  Electrical sockets are made up of conductors, while plug tops are made up of insulators done clear
  B)
  Electrical sockets are made up of insulators, while plug tops are made up of conductors done clear
  C)
  Wire coverings are made up of conductors, while fuse wires are made up of insulators done clear
  D)
  Fuse wires are made up of conductors, while bulb filament is made up of insulators done clear
  View Solution play_arrow

• question_answer71)
  A cell is generally provided with a cap. The main function performed by this cap is
  A)
  it seals the contents of the cell done clear
  B)
  it keeps various parts of cell in their place done clear
  C)
  it acts as negative terminal of the cell done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer72)
  Electric circuit is
  A)
  any arrangement in which we have the two terminals of a cell connected to each others by a conducting wire done clear
  B)
  any arrangement in which we have the two terminals of a cell connected to each other by a non- conducting wire. done clear
  C)
  any arrangement in which we have the two terminals of a cell connected to the two terminals of a bulb. done clear
  D)
  any arrangement in which two terminals of a bulb are connected to each other, through a switch, with the help of connecting wires. done clear
  View Solution play_arrow

• question_answer73)
  Electric switch is
  A)
  a simple device that is used to break the electric circuit done clear
  B)
  a simple device that is used to complete the electric circuit done clear
  C)
  a simple device that is used to break or to complete the electric circuit     done clear
  D)
  None of the above is correct   done clear
  View Solution play_arrow

• question_answer74)
  Why are you advised to take precautions (e.g. wear rubber gloves etc.) while handling electrical appliances?
  A)
  Your body is a good conductor of electricity done clear
  B)
  Your body is a bad conductor of electricity done clear
  C)
  You appear an electrical engineer when you wear gloves done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer75)
  DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the columns.

  Column-I	Column-II
  A. Positive terminal of an electric cell	(p) Metal cap
  B. Negative terminal of an electric cell	(q) Metal disc
  C. Used to make filament of an electric bulb	(r) Metal wire
  D. Used to make outer case of electric bulb	(s) Galss

  A)
   \[A\to (p);B\to (q);C\to (r);D\to (s)\] done clear
  B)
   \[A\to (q);B\to (p);C\to (r);D\to (s)\] done clear
  C)
   \[A\to (q);B\to (p);C\to (s);D\to (r)\] done clear
  D)
   \[A\to (p);B\to (q);C\to (s);D\to (r)\] done clear
  View Solution play_arrow

• question_answer76)
  DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the columns.

  Column-I	Column-II
  A. Two terminals	(p) Both electric cell and bulb
  B. Filament	(q) Bulb
  C. Source of electricity	(r) Electric cell
  D. Device used to make or break an electric circuit	(s) Electric switch

  A)
  \[A\to (p);B\to (q);C\to (r);D\to (s)\] done clear
  B)
   \[A\to (q);B\to (p);C\to (r);D\to (s)\] done clear
  C)
   \[A\to (q);B\to (p);C\to (s);D\to (r)\] done clear
  D)
   \[A\to (p);B\to (q);C\to (s);D\to (r)\] done clear
  View Solution play_arrow

• question_answer77)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage -1 Those materials which do not allows electric current to pass through them are called insulators e.g., air, cork, rubber, thermocole, paper, etc. Insulators are used for covering electrical wires, plug tops, switches and other parts of electrical appliances. Air is an insulator of electricity because air have no-
  A)
  electrons          done clear
  B)
          free electrons done clear
  C)
  protons            done clear
  D)
           None of these done clear
  View Solution play_arrow

• question_answer78)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage -1 Those materials which do not allows electric current to pass through them are called insulators e.g., air, cork, rubber, thermocole, paper, etc. Insulators are used for covering electrical wires, plug tops, switches and other parts of electrical appliances. House wiring electric wires are generally covered with rubber. It is because, rubber is
  A)
  a good conductor         done clear
  B)
  a partial conductor done clear
  C)
  easily available            done clear
  D)
  an insulator done clear
  View Solution play_arrow

• question_answer79)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage -1 Those materials which do not allows electric current to pass through them are called insulators e.g., air, cork, rubber, thermocole, paper, etc. Insulators are used for covering electrical wires, plug tops, switches and other parts of electrical appliances. We can turn OFF the switch without getting an electric shock because
  A)
  it is covered with an insulating material done clear
  B)
  it is covered with conducting material done clear
  C)
  our hand is bad conductor of electricity done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer80)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage -1 Those materials which do not allows electric current to pass through them are called insulators e.g., air, cork, rubber, thermocole, paper, etc. Insulators are used for covering electrical wires, plug tops, switches and other parts of electrical appliances. Covers of electric plugs are made up of
  A)
  conductors         done clear
  B)
  metals done clear
  C)
  insulators         done clear
  D)
          all of these done clear
  View Solution play_arrow

• question_answer81)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 An electric bulb has a filament that is connected to the terminals. The two terminals of filament are fixed with two thick wires provides support to it. These terminals are fixed in such a manner that they do not touch each other. Where is the filament fixed in the electric bulb?
  A)
  Near the positive terminal done clear
  B)
  Near the negative terminal done clear
  C)
  In the middle done clear
  D)
  None of the above is correct done clear
  View Solution play_arrow

• question_answer82)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 An electric bulb has a filament that is connected to the terminals. The two terminals of filament are fixed with two thick wires provides support to it. These terminals are fixed in such a manner that they do not touch each other. Filament is
  A)
  a thin wire that gives off light when bulb is switched on done clear
  B)
  fixed to two thick wires which provides support to it done clear
  C)
  Both the above are correct done clear
  D)
  None of these is correct done clear
  View Solution play_arrow

• question_answer83)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 An electric bulb has a filament that is connected to the terminals. The two terminals of filament are fixed with two thick wires provides support to it. These terminals are fixed in such a manner that they do not touch each other. Which of the following statement(s) is/are correct?
  A)
  The two terminals of a bulb are fixed in such a way that they do not touch each other. done clear
  B)
  The two terminals of a bulb are fixed in such a way that they touch each other. done clear
  C)
  The two terminals of a bulb are connected to the same terminal of the electric cell. done clear
  D)
  None of the above is correct done clear
  View Solution play_arrow

• question_answer84)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 An arrangement in which two terminals of an electric cell are connected to two terminals of the bulb is known as electric circuit. Current flows from positive to negative terminal in closed circuit. Filament of bulb is made up of tungsten. What is the direction of flow in an electric circuit?
  A)
  From positive terminal to negative terminal of electric cell. done clear
  B)
  From negative terminal to positive terminal of electric cell done clear
  C)
  Both the above are correct done clear
  D)
  None of the above is correct done clear
  View Solution play_arrow

• question_answer85)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 An arrangement in which two terminals of an electric cell are connected to two terminals of the bulb is known as electric circuit. Current flows from positive to negative terminal in closed circuit. Filament of bulb is made up of tungsten. Which of the following statements) is/are correct?
  A)
  The bulb in the circuit may not glow if the bulb is fused done clear
  B)
  The bulb in the circuit may not glow if its filament is broken done clear
  C)
  Both the above done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer86)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 An arrangement in which two terminals of an electric cell are connected to two terminals of the bulb is known as electric circuit. Current flows from positive to negative terminal in closed circuit. Filament of bulb is made up of tungsten. The filament of bulb is made of
  A)
  a metal done clear
  B)
  tungsten done clear
  C)
  Both the above are correct done clear
  D)
  None of these is correct done clear
  View Solution play_arrow

• question_answer87)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: Silver is not used to make electric wires. Reason (R): Silver is a bad conductor.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer88)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: Copper is used to make electric wires. Reason (R): Copper is a poor conductor of electricity.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer89)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: A domestic electric appliance working on a three pin, will continue working even if the top pin is removed. Reason (R): The third pin is used only for safety purpose.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer90)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: Insulators do not allow the current to flow through themselves. Reason (R): They have no free charge carriers.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer91)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: Air is an insulator. Reason (R): Those materials that do not allow electric current to pass through them are called insulators.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer92)
  DIRECTIONS: Read the following three statements carefully and choose the correct option. Statement-1: If a human high tension wire he will get electric shock. Statement-2: Transmission wires carry a very low voltage current. Statement-3: A bird sitting on a bare high power transmission wire feels a very feeble current.
  A)
  Statement (1) and (3) are incorrect while statement (2) is correct. done clear
  B)
  Statement (1) and (2) are incorrect while (3) is correct. done clear
  C)
  All the statements are correct. done clear
  D)
  All the statements are incorrect. done clear
  View Solution play_arrow

• question_answer93)
  DIRECTIONS: Read the following three statements carefully and choose the correct option. Statement-1: There is very less current flows when an electric circuit is open. Statement-2: When the switch of an electric circuit is in off mode, the circuit is said to be open. Statement-3: One can get a shock in open circuit.
  A)
  Statement (1) and (3) are incorrect while statement (2) is correct. done clear
  B)
  Statement (1) and (2) are incorrect while (3) is correct. done clear
  C)
  All the statements are correct. done clear
  D)
  All the statements are incorrect. done clear
  View Solution play_arrow

• question_answer94)
  The diagram below shows an incomplete circuit. Which item would allow the bulb to light up if it were used to connect point A to point B?
  A)
  a glass rod        done clear
  B)
          a metal coin done clear
  C)
  a plastic comb             done clear
  D)
  a paper cup done clear
  View Solution play_arrow

• question_answer95)
  A student attached two balloons to equal lengths of string and tied them to the same point. The student observed that the balloons repelled each other, as shown in the diagram below. In terms of electrical charges, explain why the balloons repelled each other?
  A)
  because both the balloons are positively charged done clear
  B)
  because both the balloon are negatively charged done clear
  C)
  because one is positively and another is negatively charged                    done clear
  D)
  either (a) or (b) done clear
  View Solution play_arrow

• question_answer96)
  The diagram below shows a bulb and a wire attached to a battery. Why would this bulb be lit?
  A)
  The battery is out of energy done clear
  B)
  The bulb is out of energy done clear
  C)
  The circuit is opened done clear
  D)
  The circuit is closed done clear
  View Solution play_arrow

• question_answer97)
  The diagram below shows an electric circuit. Chemical energy from the battery is changed into electrical energy. This electrical energy is then changed to which type of energy?
  A)
  electrical energy into chemical energy done clear
  B)
  electrical energy into heat energy done clear
  C)
  electric energy into light energy done clear
  D)
  electric energy into sound energy done clear
  View Solution play_arrow

• question_answer98)
  In an electric circuit shown below the direction of current is taken from
  A)
  as shown in (i) done clear
  B)
  as shown in (ii) done clear
  C)
  can't say done clear
  D)
  None of the above is correct done clear
  View Solution play_arrow

• question_answer99)
  Look at the following two diagrams and answer in which case bulb will glow?
  A)
  both (i) and (ii) done clear
  B)
  only (i) done clear
  C)
  only (ii) done clear
  D)
  None of the above is correct done clear
  View Solution play_arrow

• question_answer100)
  In the following circuit the flow of current is in which route?
  A)
  CBED done clear
  B)
  DEBC done clear
  C)
  Either of the above two done clear
  D)
  None of these done clear
  View Solution play_arrow