Two points a and b lie 20 cm apart on a line extending

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Two points A and B lie 20 cm apart on a line extending radially from a point charge Q. If the potential at A is 150 V and the potential at B is 120 V, find the charge Q and the distance of point A from the charge. What is the work that needs to be done to move a 10 µC charge from B to A?

Reference no: EM13615182

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