Q.

The potential at the origin is zero due to electric field E = 20i + 30j NC–1. The potential at point P(2m, 2m)

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a

1 V

b

-100 V

c

10 V

d

2 V

answer is B.

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Detailed Solution

V=-E→.dr¯=-20i+30j.2i+2j= -[40 + 60] = -100 V
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