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Charges +q and -q are placed at points A...

Charges `+q` and `-q` are placed at points `A` and `B` respectively which are a 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

`(qQ)/(2piepsilon_0L)` and infinity

B

`(qQ)/(6piepsilon_0L)` and zero

C

zero, zero

D

`(-qQ)/(6piepsilon_0L)` and zero

Text Solution

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The correct Answer is:
D
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