Question

the work done in carrying a charge Q once round a circle of radius A with a charge Q at its centre is​

Answer 1

Answer;

• We observe the motion of charge as shown in pic .

• As we see, we get that Force is perpendicular to direction of displacement.

•  Hence, There is no contribution of work by the force on motion of this charge particle .

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Answer 2

Answer:

at its centre 'o' is correct answer