Electrostatics

Related Questions

• In Millikan's oil drop experiment an oil drop carrying a charge Q is held stationary by a potential difference $2400\,V$ between the plates. To keep a drop of half the radius stationary the potential difference had to be made $600\,V$. What is the charge on the second drop

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• A charge of $5\,C$ experiences a force of $5000\,N$ when it is kept in a uniform electric field. What is the potential difference between two points separated by a distance of $1\,cm$

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• An electric dipole has the magnitude of its charge as q and its dipole moment is p. It is placed in a uniform electric field E. If its dipole moment is along the direction of the field, the force on it and its potential energy are respectively

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• If ${E_a}$ be the electric field strength of a short dipole at a point on its axial line and ${E_e}$ that on the equatorial line at the same distance, then

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• A charge produces an electric field of 1 N/C at a point distant 0.1 m from it. The magnitude of charge is

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