Electrostatics

Related Questions

• The dielectric strength of air at NTP is $3 \times {10^6}\,V/m$then the maximum charge that can be given to a spherical conductor of radius 3 m is

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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 dimension of (1/2) ${\varepsilon _0}{E^2}({\varepsilon _0}$: permittivity of free space; $E$: electric field) is

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• Which of the following is deflected by electric field

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• Two small spheres each carrying a charge $q$are placed $r$ metre apart. If one of the spheres is taken around the other one in a circular path of radius $r$, the work done will be equal to

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