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Question

In a non-linear electric field, a charged particle returns to its initial point sometime after it is released in the field. The work done by the field is given by

A

B

C

Some constant

D

None of these

Medium

Solution

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Correct option is
B

Let the potential at its initial point be 
work done 
                   
                   
Thus the work done by the field is zero.

Option (B) is correct.

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