Electrostatics

Related Questions

• A hollow metal sphere of radius 5cm is charged such that the potential on its surface is 10V. The potential at a distance of 2cm from the centre of the sphere

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• Intensity of an electric field E due to a dipole, depends on distance r as

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• Two particle of equal mass \[m\] and charge \[q\] are placed at a distance of 16 cm. They do not experience any force. The value of \[\frac{q}{m}\] is

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• The ratio of electrostatic and gravitational forces acting between electron and proton separated by a distance \[5 \times {10^{ - 11}}m,\] will be (Charge on electron = $1.6 \times 10^{–19} C$, mass of electron = $9.1 \times 10^{–31}$ kg, mass of proton = \[1.6 \times {10^{ - 27}}kg,\] \[\,G = 6.7 \times {10^{ - 11}}\,N{m^2}/k{g^2})\]

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• When \[{10^{19}}\] electrons are removed from a neutral metal plate, the electric charge on it is

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