Assume that an electric field oversettoE...

Assume that an electric field `oversettoE=30x^2overset^i` exists in space. Then the potential difference `V_A-V_0`, where `V_0` is the potential at the origin and `V_A` the potential at x = 2 m is :

A

120J/C

B

`-120J/C`

C

`-80J/C`

D

80 J/C

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The correct Answer is:

C

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