Electrostatics

Related Questions

• Two parallel plates have equal and opposite charge. When the space between them is evacuated, the electric field between the plates is $2 \times {10^5}V/m$. When the space is filled with dielectric, the electric field becomes $1 \times {10^5}V/m$. The dielectric constant of the dielectric material

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• An electron of mass $m$ and charge $e$ is accelerated from rest through a potential difference V in vacuum. The final speed of the electron will be

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• The intensity of electric field required to balance a proton of mass $1.7 \times {10^{ - 27}}kg$ and charge$1.6 \times {10^{ - 19}}C$ is nearly

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• Two copper balls, each weighing 10g are kept in air 10 cm apart. If one electron from every \[{10^6}\] atoms is transferred from one ball to the other, the coulomb force between them is (atomic weight of copper is 63.5)

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• A cube of a metal is given a positive charge Q. For the above system, which of the following statements is true

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