Solved papers for JEE Main & Advanced AIEEE Solved Paper-2003

done AIEEE Solved Paper-2003 Total Questions - 9

• question_answer1) The length of a wire of a potentiometer is 100 cm and the emf of its stand and cell is. E volt. It is employed to measure the emf of a battery whose internal resistance is \[0.5\,\,\Omega \]. If the balance point is obtained at \[1=30\] cm from the positive end, the emf of the battery is           AIEEE  Solved  Paper-2003
  A)
  \[\frac{30\,E}{100.5}\]         
  done clear
  B)
                        \[\frac{30\,E}{100-05}\]
  done clear
  C)
  \[\frac{30\,(E-0.5i)}{100}\], where \[i\] is the current in the potentiometer wire
  done clear
  D)
  \[\frac{30\,E}{100}\]
  done clear
  View Answer play_arrow

• question_answer2) A strip of copper and another of germanium are cooled from room temperature to 80 K. The resistance of   AIEEE  Solved  Paper-2003
  A)
  each of these decreases
  done clear
  B)
  copper strip increases and that of germanium decreases
  done clear
  C)
  copper strip decreases and that of germanium increases
  done clear
  D)
  each of the above increases
  done clear
  View Answer play_arrow

• question_answer3) The thermo-emf of a thermocouple is \[25\mu V{{/}^{o}}C\] at room temperature. A galvanometer of \[40\,\Omega \]. resistance, capable of detecting current as low as \[{{10}^{-5}}\] A, is   connected with the thermocouple. The smallest temperature difference that can be detected by this system is     AIEEE  Solved  Paper-2003
  A)
  \[{{16}^{o}}C\]         
  done clear
  B)
                        \[{{12}^{o}}C\]                 
  done clear
  C)
        \[{{8}^{o}}C\]                                   
  done clear
  D)
  \[{{20}^{o}}C\] 
  done clear
  View Answer play_arrow

• question_answer4) The negative Zn-pole of Daniell cell, sending a constant current through a circuit, decreases in mass by \[0.13\]g in 30 min. If the electrochemical equivalent of Zn and Cu are \[32.5\] and \[31.5\] respectively, the increase in the mass of the positive Cu-pole in this time is     AIEEE  Solved  Paper-2003
  A)
  \[0.180\] g      
  done clear
  B)
                        \[0.141\] g
  done clear
  C)
  \[0.126\]g           
  done clear
  D)
                        \[0.242\] g
  done clear
  View Answer play_arrow

• question_answer5) The difference in the variation of resistance with temperature in a metal and a semiconductor arises essentially due to the difference in the     AIEEE  Solved  Paper-2003
  A)
  crystal structure
  done clear
  B)
  variation of the number of charge carriers with temperature
  done clear
  C)
  type of bonding
  done clear
  D)
  variation of scattering mechanism with temperature
  done clear
  View Answer play_arrow

• question_answer6) An ammeter reads upto 1 A. Its internal resistance is \[0.81\,\,\Omega \]. To increase the range to 10 A, the value of the required shunt is     AIEEE  Solved  Paper-2003
  A)
  \[0.03\,\,\Omega \]
  done clear
  B)
                        \[0.3\,\,\Omega \]                         
  done clear
  C)
        \[0.9\,\,\Omega \]                         
  done clear
  D)
  \[0.09\,\,\Omega \]
  done clear
  View Answer play_arrow

• question_answer7) A 3 V battery with negligible internal resistance is connected in a circuit as shown in the figure. The current I, in the circuit will be                    AIEEE  Solved  Paper-2003
  A)
  1 A                         
  done clear
  B)
  \[1.5\] A  
  done clear
  C)
                        2 A                         
  done clear
  D)
  1 A
  done clear
  View Answer play_arrow

• question_answer8) A 220 V, 1000 W bulb is connected across a 110 V mains supply. The power consumed will be     AIEEE  Solved  Paper-2003
  A)
  750 W                   
  done clear
  B)
        500 W                   
  done clear
  C)
  250 W           
  done clear
  D)
  1000 W
  done clear
  View Answer play_arrow

• question_answer9) The length of a given cylindrical wire is increased by \[100%\]. Due to the consequent decrease in diameter, the change in the resistance of the wire will be     AIEEE  Solved  Paper-2003
  A)
                                          \[200%\]          
  done clear
  B)
                        \[100%\]                             
  done clear
  C)
  \[50%\]                               
  done clear
  D)
  \[300%\] 
  done clear
  View Answer play_arrow