Question

# Charges +q and –q are placed at points A and B respectively which are a distance apart, C is the mid-point between A and B. The work done in moving a charge+ along the semicircle CRD is

## The correct answer is:

### In Ist case, when charge is situated at C

Electric potential energy of system

In IInd case, when charge is moved from C to D.

Electric potential energy of system in that case

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