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The potential at the origin is zero due to electric field E=20 $\hat{i}$ +30 $\hat{j}$ $N C^{- 1} .$ The potential at point P(2m, 2m) is

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Correct option is B

∫dV=-∫Ex dx-∫Ey dy △V=-20i^+30j^.2i^+2j^=-40-60=-100V

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

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The potential at the origin is zero due to electric field E=20 $\hat{i}$ +30 $\hat{j}$ $N C^{- 1} .$ The potential at point P(2m, 2m) is