Electrostatics

Related Questions

• A glass rod rubbed with silk is used to charge a gold leaf electroscope and the leaves are observed to diverge. The electroscope thus charged is exposed to X-rays for a short period. Then

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• Figure shows three points A, B and C in a region of uniform electric field $\overrightarrow E $. The line AB is perpendicular and BC is parallel to the field lines. Then which of the following holds good. Where ${V_A},{V_B}$ and ${V_C}$ represent the electric potential at points A, B and C respectively

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• A metallic solid sphere is placed in a uniform electric field. The lines of force follow the path(s) shown in figure as

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• Three equal charges are placed on the three corners of a square. If the force between \[{q_1}\] and \[{q_2}\]is \[{F_{12}}\] and that between \[{q_1}\]and \[{q_3}\] is \[{F_{13}}\], the ratio of magnitudes \[\frac{{{F_{12}}}}{{{F_{13}}}}\] is

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• The ratio of momenta of an electron and an $\alpha$ -particle which are accelerated from rest by a potential difference of 100 volt is

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