| 1. | In a region of constant potential ? | |
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there can be no charge inside the region.
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the electric field is uniform.
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the electric field is zero.
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both (a) and (c) are correct.
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View Answer
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Report Question| 2. | A capacitor works in ? | |
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D. C. circuits
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A. C. circuits
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neither (a) nor (b)
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both (a) and (b)
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| 3. | Capacity of a parallel plate condenser can be increased by ? | |
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decreasing the distance between the plates
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increasing the distance between the plates
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increasing the thickness of the plates
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decreasing the thickness of the plates
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| 4. | An arrangement which consists of two conductors separated by a dielectric medium is called ? | |
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resistor
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inductor
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capacitor
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rectifier
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| 5. | Which of the following is a type of recording instrument ? | |
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Ammeter
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Megger
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Voltmeter
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X-Y plotter
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| 6. | Which of the following quantities do not depend on the choice of zero potential or zero potential energy ? | |
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Potential energy of a two-charge system
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Potential at a point
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Potential difference between two points
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None of these
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| 7. | Energy is stored in a capacitor in the form of ? | |
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heat energy
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electrostatic energy
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light energy
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magnetic energy
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| 8. | The electric potential at a point on the equatorial line of an electric dipole is ? | |
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inversely proportional to distance
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inversely proportional to square of the distance
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directly proportional to distance
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None of these
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| 9. | An electric dipole is kept in non-uniform electric field. it experiences ? | |
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a torque but not a force
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a force but not a torque
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a force and a torque
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Neither a force nor a torque
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| 10. | A capacitor is charged by a battery. The battery is removed and another identical uncharged capacitor is connected in parallel. The total electrostatic energy of resulting system ? | |
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increases by a factor of 2
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decreases by a factor of 2
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increases by a factor of 4
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remains the same
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