Question

a circle of radius R is drawn with charge + Q at the centre a charge Q not is brought from the point B to C then work done is​

Answer 1

Hello

ANSWER = zero

Explanation ⤵⤵

The potential at any point on the circumference is equal. It means the circle surface will represent a equipotential surface. So change in potential at two point on surface is zero i.e dV=0

The work done =qdV=0

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