Electrostatics

Related Questions

• 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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• An electric dipole is placed in an electric field generated by a point charge

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• An electron of mass ${m_e}$ initially at rest moves through a certain distance in a uniform electric field in time ${t_1}$. A proton of mass ${m_p}$ also initially at rest takes time ${t_2}$ to move through an equal distance in this uniform electric field. Neglecting the effect of gravity, the ratio of ${t_2}/{t_1}$ is nearly equal to

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• Conduction electrons are almost uniformly distributed within a conducting plate. When placed in an electrostatic field $\overrightarrow E $, the electric field within the plate

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• The insulation property of air breaks down at $E = 3 \times {10^6}$ volt/metre. The maximum charge that can be given to a sphere of diameter $5\,m$ is approximately (in coulombs)

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