Electrostatics

Related Questions

• A thin spherical conducting shell of radius $R$ has a charge q. Another charge Q is placed at the centre of the shell. The electrostatic potential at a point p a distance $\frac{R}{2}$ from the centre of the shell is

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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 and a proton are at a distance of $1{\AA}$. The moment of this dipole will be (Cm)

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• An $\alpha $ -particle is accelerated through a potential difference of 200V. The increase in its kinetic energy is

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