Electrostatics

Related Questions

• A charge of 10 e.s.u. is placed at a distance of 2 cm from a charge of 40 e.s.u. and 4 cm from another charge of 20 e.s.u. The potential energy of the charge 10 e.s.u. is (in ergs)

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• An electric dipole of moment $\overrightarrow p $ is placed normal to the lines of force of electric intensity $\overrightarrow E $, then the work done in deflecting it through an angle of $180^\circ $ 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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• 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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• Charge on \[\alpha \]-particle is

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