Electrostatics

Related Questions

• Three charges are placed at the vertices of an equilateral triangle of side ‘a’ as shown in the following figure. The force experienced by the charge placed at the vertex A in a direction normal to BC is

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• An electric dipole when placed in a uniform electric field $E$ will have minimum potential energy, if the positive direction of dipole moment makes the following angle with $E$

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• For a dipole $q = 2 \times {10^{ - 6}}\,C$ and $d = 0.01\,m$. Calculate the maximum torque for this dipole if $E = 5 \times {10^5}\,N/C$

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• 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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• Two small conducting spheres of equal radius have charges \[ + 10\mu C\] and \[ - 20\mu C\] respectively and placed at a distance \[R\] from each other experience force \[{F_1}\]. If they are brought in contact and separated to the same distance, they experience force \[{F_2}\]. The ratio of \[{F_1}\] to \[{F_2}\] is

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