The potential at a point A is -500v and that at another point B is +500v,What is the work done by an external agent to take 2 microcoulomb of (-) charge from point B to point A.
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Answer:
25 v,A
Explanation:
Work done by electric field to carry charge from A to B W
eq
=q(V
A
−V
B
)
or 50×10
−6
=2×10
−6
(V
A
−V
B
)
or V
A
−V
B
=25V
The answer is positive thus A is at higher potential.
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