Q)
Four point charges $+ 1\mu C, + 1 \mu C, – 1 \mu C$ and $– 1 \mu C$ are placed at the corners A, B, C and D of a square of each side 0.1 m (i) Calculate electric potential at the centre O of the square (ii) If E is middle point of BC, what is work done in carrying an electron from O to E?
1 Answer
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