Electrostatics

Related Questions

• If an insulated non-conducting sphere of radius R has charge density $\rho $. The electric field at a distance $r$from the centre of sphere $(r < R)$ will be

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• When an electric dipole $\overrightarrow P$ is placed in a uniform electric field $\overrightarrow E $ then at what angle between $\overrightarrow P $ and $\overrightarrow E $ the value of torque will be maximum

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• A charged particle of mass 0.003 gm is held stationary in space by placing it in a downward direction of electric field of $6 \times {10^4}N/C$. Then the magnitude of the charge is

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• What is the magnitude of a point charge due to which the electric field $30\,cm$ away has the magnitude $2\,newton/coulomb$ $[1/4\pi {\varepsilon _0} = 9 \times {10^9}N{m^2}/{C^2}]$

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• A square of side ‘a’ has charge Q at its centre and charge ‘q’ at one of the corners. The work required to be done in moving the charge ‘q’ from the corner to the diagonally opposite corner is

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