Electrostatics

Related Questions

• The radius of nucleus of silver (atomic number = 47) is $3.4 \times {10^{ - 14}}m$. The electric potential on the surface of nucleus is $(e = 1.6 \times {10^{ - 19}}C)$

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• Two copper balls, each weighing 10g are kept in air 10 cm apart. If one electron from every \[{10^6}\] atoms is transferred from one ball to the other, the coulomb force between them is (atomic weight of copper is 63.5)

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• Two parallel plates separated by a distance of $5mm$ are kept at a potential difference of $50\,V.$A particle of mass ${10^{ - 15}}kg$ and charge ${10^{ - 11}}C$ enters in it with a velocity ${10^7}m/s$. The acceleration of the particle will be

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• The electric potential $V$ at any point O (x, y, z all in metres) in space is given by $V = 4{x^2}\,volt$. The electric field at the point $(1m,\,0,\,2m)$ in $volt/metre$ is

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• Three particles, each having a charge of $10\,\mu C$are placed at the corners of an equilateral triangle of side $10\,cm$. The electrostatic potential energy of the system is (Given $\frac{1}{{4\pi {\varepsilon _0}}} = 9 \times {10^9}N - {m^2}/{C^2}$)

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