Electrostatics

Related Questions

• A charged particle of mass $5 \times {10^{ - 5}}kg$ is held stationary in space by placing it in an electric field of strength ${10^7}N{C^{ - 1}}$ directed vertically downwards. The charge on the particle 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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• The charge given to a hollow sphere of radius 10 cm is $3.2 \times 10^{–19}$ coulomb. At a distance of 4 cm from its centre, the electric potential will be

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• As per this diagram a point charge $+ q$ is placed at the origin $O$. Work done in taking another point charge $- Q$from the point $A$ [co-ordinates $(0,\,a)$] to another point B [co-ordinates (a, 0)] along the straight path $AB$ is

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• Two point charges of $20\,\mu \,C$ and $80\,\mu \,C$ are $10\,cm$ apart. Where will the electric field strength be zero on the line joining the charges from $20\,\mu \,C$ charge

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