ABCD is a square of side 0.2 M. Positive charges `2xx10^(-9)C,4xx10^(-9)`C and `8xx10^(-9)`C are placed at the points A,B and C. Calculate the work do
ABCD is a square of side 0.2 M. Positive charges `2xx10^(-9)C,4xx10^(-9)`C and `8xx10^(-9)`C are placed at the points A,B and C. Calculate the work done to transfer one columb from D to the centre of the square.
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