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The electric potential decreases unifro...

The electric potential decreases unifromly from 120 V to 80 V as one moves on the x-axis from x=-1 cm to x=+1 cm. The electric field at the origin

A

must be equal to 20 Vcm`^-1`

B

may be equal to 20 Vcm` ^(-1)`

C

may be greater than 20 Vcm`(-1)`

D

may be less than 20Vcm`(-1)`

Text Solution

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The correct Answer is:
A
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