Electrostatics

Related Questions

• An $\alpha $ -particle is accelerated through a potential difference of 200V. The increase in its kinetic energy is

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• Two equal charges $q$ are placed at a distance of $2a$ and a third charge $- 2q$ is placed at the midpoint. The potential energy of the system is

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• Four point +ve charges of same magnitude (Q) are placed at four corners of a rigid square frame as shown in figure. The plane of the frame is perpendicular to $\rlap{--} Z$ axis. If a –ve point charge is placed at a distance z away from the above frame (z<<L) then

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• \[ + 2C\] and \[ + 6C\] two charges are repelling each other with a force of \[12\,N\]. If each charge is given \[ - 2C\] of charge, then the value of the force will be

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• An electron (charge = $1.6 \times {10^{ - 19}}$ coulomb) is accelerated through a potential of 1,00,000 volts. The energy required by the electron is

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