Electrostatics

Related Questions

• Number of electrons in one coulomb of charge will be

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• Two similar spheres having \[ + \,q\] and \[ - \,q\] charge are kept at a certain distance. \[F\] force acts between the two. If in the middle of two spheres, another similar sphere having \[ + \,q\] charge is kept, then it experience a force in magnitude and direction as

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• A mass $m = 20\,g$h as a charge $q = 3.0\,mC$. It moves with a velocity of $20\,m/s$ and enters a region of electric field of $80\,N/C$ in the same direction as the velocity of the mass. The velocity of the mass after 3 seconds in this region is

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• 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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• The work done in bringing a 20 coulomb charge from point A to point B for distance 0.2m is 2J. The potential difference between the two points will be (in volt)

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