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A point charge q moves from .P. to .S. a...

A point charge q moves from .P. to .S. along path PQRS in a unifrom electric field E directed parallel to positive X-axis. The co-ordinates of the points P,Q and S are (a,b,0), (2a,0,0),(0-b,(0) and (0,0,0) respectively The work done by field an the above process is given by

A

qEa

B

`-qEa`

C

`qEa sqrt(2)`

D

`qEsqrt((2a)^(2)+b^(2))`

Text Solution

Verified by Experts

The correct Answer is:
B
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