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Charges of are placed at each of the four corners of a square of side 8cm . The potential at the intersection of the diagonals is
detailed solution
Correct option is B
Potential at the center O V=4×14πεo.Qa/2Where Q =103×10−9C and a=8cm=8×10−2mSo V=4×9×109×103×10−98×10−22=15002 voltTalk to our academic expert!
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Two electric charges and are placed 20 cm apart in air. There will be a point P on the line joining these charges and outside the region between them, at which the electric potential is zero. The distance of P from charge is
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