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The potential of a point B (-20m, 30m) t...

The potential of a point B (-20m, 30m) taking the potential of a point A (30m, -20m) to be zero in an electric field `vec E = 10xhati - 20hatj NC^(-1)` is

A

350 V

B

`-100 V `

C

300 V

D

3500 V

Text Solution

Verified by Experts

The correct Answer is:
D
d. `V_(a)-V_(A)=-underset(30)overset(-20)int 10xdx-underset(-20)overset(30)int(-20)dy`
or `V_(B)-0=3500V`
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