Electrostatics

Related Questions

• If $E$ is the electric field intensity of an electrostatic field, then the electrostatic energy density is proportional to

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• Charges 4Q, q and Q and placed along x-axis at positions $x = 0,x = l/2$ and $x = l$, respectively. Find the value of q so that force on charge Q is zero

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• Two similar spheres having \[ + \,q\] and \[ - \,q\] charge are kept at a certain distance. \[F\] force acts between the two. If in the middle of two spheres, another similar sphere having \[ + \,q\] charge is kept, then it experience a force in magnitude and direction as

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• Two point charges placed at a certain distance r in air exert a force F on each other. Then the distance ‘r' at which these charges will exert the same force in a medium of dielectric constant k is given by

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• When air is replaced by a dielectric medium of constant \[k\], the maximum force of attraction between two charges separated by a distance

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