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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2007
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Q)

Charge +q and –q are placed at points A and B respectively which are at distance $2L$ apart, C is the midpoint between A and B. The work done in moving a charge + Q along the semicircle CRD is:-



( A ) $\frac{qQ}{2 \pi \epsilon_0L}$
( B ) $\frac{qQ}{6 \pi \epsilon_0L}$
( C ) $\frac{qQ}{4 \pi \epsilon_0L}$
( D ) $-\frac{qQ}{6 \pi \epsilon_0L}$

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