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In moving from A to B along an electric field line, the work done by the electric field on an electron is `6.4 xx 10^-19 J`. If `phi_1 and phi_2` are equipotential surfaces, then the potential difference `V_C - V_A ` is.
.

A

`-4 V`

B

`4 V`

C

Zero

D

`64 V`

Text Solution

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The correct Answer is:
B
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