Magnitude of electric field near surface of uniformly charge

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1) What is the magnitude of the electric field near the surface of a uniformly charged conducting plane, if the plane is a square of sides 14.0cm and carries a charge of 28.0nC?

2) What is the force between the two planes if a plane with a charge of equal magnitude but opposite sign is brought near the first?

Reference no: EM13555329

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