Electrostatics

Related Questions

• Electric charges of $+ 10\mu C,\; + 5\mu C,\; - 3\mu C$ and $+ 8\mu C$ are placed at the corners of a square of side $\sqrt 2 $m. the potential at the centre of the square is

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• An oil drop having charge $2e$ is kept stationary between two parallel horizontal plates 2.0 cm apart when a potential difference of 12000 volts is applied between them. If the density of oil is $900 kg/m^3$, the radius of the drop will be

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• Two thin wire rings each having a radius R are placed at a distance d apart with their axes coinciding. The charges on the two rings are $+ q$ and $- q$. The potential difference between the centres of the two rings is

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• A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1 kV, its kinetic energy will be

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• The wrong statement about electric lines of force is

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