Electrostatics

Related Questions

• Two equal charges $q$ are placed at a distance of $2a$ and a third charge $- 2q$ is placed at the midpoint. The potential energy of the system is

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• Three charges \[4q, Q\] and \[q\] are in a straight line in the position of 0, \[l/2\] and \[l\] respectively. The resultant force on \[q\] will be zero, if \[Q = \]

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• An electron and a proton are in a uniform electric field, the ratio of their accelerations will be

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• Two charges are at a distance ‘d’ apart. If a copper plate (conducting medium) of thickness \[\frac{d}{2}\] is placed between them, the effective force will be

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• Four equal charges $Q$ are placed at the four corners of a square of each side is $'a'$. Work done in removing a charge – Q from its centre to infinity is

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