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Four charges +50 xxI0^(-9)C, -12 xx I0^(...

Four charges `+50 xxI0^(-9)C, -12 xx I0^(-19)C, + 36 xx I0^(-9)C " and " +90 x 10^(-9)C` are placed respectively at the corners of a rectangula: ABCD,AB being equal to 5cm and BC being 12cm. Find:
(a) the force on the charge at A, and
(b) the field strength at the point of intersection of the two diagonals

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Verified by Experts

The correct Answer is:
[(a)`4.11xx10^(-3)N` (b) `1.975xx10^(5)`V/m]
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PHYSICS GALAXY - ASHISH ARORA-ELECTROSTATICS-Unsolved Numberical Problems
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