Determine the potentials of point A and B with respect to earth
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Current in circute `I = (6)/(1 + 2+ 3) = I A` potential different across `2 Omega = 1 xx 2 = 2V` potential different across `3 Omega = 1 xx 3 = 3V` As earth is at zero potential , so `V_(A) = V_(C) = 2V` or `V_(A) - 0 = 2V` or `V_(A) = 2V` and `V_(C) - V_(B) = 3V` or `0 - V_(B) = 3V` or `V_(B) =- 3V`
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