Electrostatics

Related Questions

• A charge particle is free to move in an electric field. It will travel

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• The magnitude of electric field intensity $E$is such that, an electron placed in it would experience an electrical force equal to its weight is given by

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• A force \[F\] acts between sodium and chlorine ions of salt (sodium chloride) when put \[1\,cm\] apart in air. The permittivity of air and dielectric constant of water are \[{\varepsilon _0}\] and \[K\] respectively. When a piece of salt is put in water electrical force acting between sodium and chlorine ions \[1\,cm\] apart is

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• 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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• A particle $A$ has charge $+ q$ and a particle $B$ has charge $+ \,4q$ with each of them having the same mass $m$. When allowed to fall from rest through the same electric potential difference, the ratio of their speed $\frac{{{v_A}}}{{{v_B}}}$ will become

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