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Assume that an electric field $(20x^4\hat i)Vm^{-1}$ exists in the region of space. If $V_0$ is the potential at the origin and $V_A$ is the potential at x = 1 m., then the potential difference $V_A-V_0$ is: |
-20 V +2 V -4 V +4 V |
-4 V |
The correct answer is Option (3) → -4 V |
