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A circle of radius 'r' is drawn with cha...

A circle of radius 'r' is drawn with charge '+q' at the centre. A charge `q_0` is brought from the point B to C. Then work done is:

A

positive

B

negative

C

infinite

D

zero

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MODERN PUBLICATION-TEXUAL QUESTIONS -EXERCISE
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  2. Two infinite parallel planes have uniform charge densities +-sigma. Wh...

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  3. A circle of radius 'r' is drawn with charge '+q' at the centre. A char...

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  4. Is it possible to have a positively charged body at

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  6. Describe schematically the equipotential surfaces corresponding to - a...

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  8. What is the area of the plates of a 3 F parallel plate capacitor, if t...

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  11. A parallel plate air capacitor has a capacitance C. When it is half fi...

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  13. A 40 muF capacitor in a defibrillator is charged to 3000 V. The energy...

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  16. Assertion: In the absence of an external electric field, the dipole mo...

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  17. Assertion: A metal sphere of radius 1 cm can not hold a charge of 1 co...

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  18. Assertion : The total charge stored in a capaitor is zero. Reason : ...

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  19. Assertion : When two conductors charged to different potentials are co...

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  20. Assertion. Capacity of a parallel plate condenser remains unaffected o...

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