Electrostatics

Related Questions

• Electric lines of force about negative point charge are

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• A body has – 80 micro coulomb of charge. Number of additional electrons in it will be

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• An electric dipole of moment $p$is placed at the origin along the $x$-axis. The electric field at a point $P$, whose position vector makes an angle$\theta $with the $x$-axis, will make an angle ..... with the $x$-axis, where $\tan \alpha = \frac{1}{2}\tan \theta $

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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 cube of side $b$ has a charge $q$ at each of its vertices. The electric field due to this charge distribution at the centre of this cube will be

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