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question_answer1) A cylinder of radius R and length L is placed in a uniform electric field E parallel to the cylinder axis. The total flux for the surface of the cylinder is given by [CPMT 1975; RPMT 2002; KCET 2004]
question_answer2) Electric field at a point varies as for
question_answer3) An electric charge is placed at the centre of a cube of side . The electric flux on one of its faces will be [MP PMT 1994, 95; DCE 1999, 2001; AIIMS 2001]
question_answer4) Total electric flux coming out of a unit positive charge put in air is [MP PET 1995]
question_answer5) For a given surface the Gauss's law is stated as . From this we can conclude that [MP PMT 1995]
question_answer6) A cube of side is placed in a uniform field , where . The net electric flux through the cube is [Haryana CEE 1996]
question_answer7) Eight dipoles of charges of magnitude are placed inside a cube. The total electric flux coming out of the cube will be [MP PMT/PET 1998]
question_answer8) A point charge is placed at the centre of a cube of side . The electric flux emerging from the cube is [CBSE PMT 1996; BCECE 2003; AIEEE 2002]
question_answer9) A charge is placed at the centre of the open end of cylindrical vessel. The flux of the electric field through the surface of the vessel is [MNR 1998]
question_answer10) It is not convenient to use a spherical Gaussian surface to find the electric field due to an electric dipole using Gauss?s theorem because [AMU 2000]
question_answer11) According to Gauss? Theorem, electric field of an infinitely long straight wire is proportional to [RPET 2000; DCE 2000]
question_answer12) Electric charge is uniformly distributed along a long straight wire of radius 1mm. The charge per cm length of the wire is Q coulomb. Another cylindrical surface of radius 50 cm and length 1m symmetrically encloses the wire as shown in the figure. The total electric flux passing through the cylindrical surface is [MP PET 2001]
question_answer13) The S.I. unit of electric flux is [KCET 2001]
question_answer14) and are point charges located at points as shown in the figure and is a spherical Gaussian surface of radius R. Which of the following is true according to the Gauss?s law [AMU 2002]
question_answer15) Gauss?s law should be invalid if [Orissa JEE 2002]
question_answer16) The inward and outward electric flux for a closed surface in units of are respectively and Then the total charge inside the surface is [where permittivity constant] [KCET 2003; MP PMT 2002]
question_answer17) A charge is placed at the centre of a cube. Then the flux passing through one face of cube will be [RPET 2003; MP PET 2003; UPSEAT 2004]
question_answer18) If a spherical conductor comes out from the closed surface of the sphere then total flux emitted from the surface will be [RPET 2003]
question_answer19) If the electric flux entering and leaving an enclosed surface respectively is and the electric charge inside the surface will be [AIEEE 2003]
question_answer20) A charge q is located at the centre of a cube. The electric flux through any face is [CBSE PMT 2003]
question_answer21) Shown below is a distribution of charges. The flux of electric field due to these charges through the surface S is [AIIMS 2003]
question_answer22) Consider the charge configuration and spherical Gaussian surface as shown in the figure. When calculating the flux of the electric field over the spherical surface the electric field will be due to [IIT-JEE Screening 2004]
question_answer23) Gauss's law is true only if force due to a charge varies as [MP PMT 2004]
question_answer24) An electric dipole is put in north-south direction in a sphere filled with water. Which statement is correct [MP PET 1995]
question_answer25) Two infinite plane parallel sheets separated by a distance have equal and opposite uniform charge densities . Electric field at a point between the sheets is [MP PET 1999]
question_answer26) The electric flux for Gaussian surface A that enclose the charged particles in free space is (given ) [KCET 2005]
question_answer27) The electric intensity due to an infinite cylinder of radius and having charge q per unit length at a distance from its axis is [MP PMT 1993; AFMC 2000]
question_answer28) A sphere of radius R has a uniform distribution of electric charge in its volume. At a distance x from its centre, for , the electric field is directly proportional to [MP PMT 1994; AIIMS 1997; BCECE 2005]
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