ABCD is a square of side 0.2 m. Charges ...

ABCD is a square of side 0.2 m. Charges of `2xx10^-9, 4xx10^-9, 8 xx 10^-9` coulomb are placed at the corners. A,B and C respectively. Calculate the work required to transfer a charge of `2xx10^-9` coulomb from corner D to the centre of the square.

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