Assume that an electric field vec(E) = ...

Assume that an electric field `vec(E) = 30 x^(2) hat(i)` exists in space. Then the potential differences `V_(A) - V_(0)` where `V_(0)` is the potential at the origin and `V_(A)`, the potential at `x = 2m` is

A

120 J

B

`-120 J`

C

`-80` J

D

80 J

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The correct Answer is:

C

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