Electrostatic| Practice MCQs Physics for Mdcat | mosaicbro.com

Electrostatic| Practice MCQs Physics for Mdcat

7 of 93 questions (Page 12 of 14)

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78 The force experienced by a unit positive charge when placed in an electric field is called:
Correct Answer: C
Explanation: Electric field intensity is force per unit charge.
79 The intensity at a point due to a charge is inversely proportional to the:
Correct Answer: D
Explanation: Electric field intensity follows an inverse-square law with distance.
80 Electric potential is a:
Correct Answer: A
Explanation: Electric potential is a scalar quantity.
81 An equipotential surface is that surface:
Correct Answer: A
Explanation: Equipotential surfaces have constant potential at all points.
82 If a unit charge is taken from one point to another over an equipotential surface, then:
Correct Answer: D
Explanation: No work is done when moving a charge on an equipotential surface.
83 An electric dipole is kept in non-uniform electric field. It experiences:
Correct Answer: A
Explanation: A dipole in a non-uniform field experiences both force and torque.
84 Which one of the following statements regarding the capacitance of a parallel plate condenser is wrong:
Correct Answer: D
Explanation: Capacitance depends on the dielectric material, not the metal of the plates.
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