If a unit charge is taken from one part to another part over an equipotential surface, then what is the change in electrostatic potential energy of the charge?

1 J

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10 J

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100 J

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0 J

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Solution

The correct option is D
0 J

As the potential of equipotent surface is constant, therefore the amount of work done could be,

W = q (V_f – V_i)
= q ( V – V )
= 0 J

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Similar questions

If a unit charge is taken from one point to another over an equipotential surface, then

Choose the wrong statement

a) Work done in moving a charge on equipotential surface is zero.

b) Electric lines of force are always normal to equipotential surface.

c) When two like charges are brought nearer, then electrostatic potential energy of the system is decreased.

d) Electric lines of force diverge at positive charge and converge towards negative charge.

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