Electrostatics

Related Questions

• A solid conducting sphere of radius a has a net positive charge 2Q. A conducting spherical shell of inner radius \[b\] and outer radius c is concentric with the solid sphere and has a net charge – Q. The surface charge density on the inner and outer surfaces of the spherical shell will be

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• Four charges $+ Q,\, - Q,\, + Q,\, - Q$ are placed at the corners of a square taken in order. At the centre of the square

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• The ratio of the forces between two small spheres with constant charge \[(a)\] in air \[(b)\] in a medium of dielectric constant K is

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• An electron having charge ‘e’ and mass ‘m’ is moving in a uniform electric field E. Its acceleration will be

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• Electric lines of force about negative point charge are

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