CBSE 2023 · Region 2 · Set 3 · Q9 · 1 mark
A point charge $\displaystyle \mathrm{q}_{0}$ is moving along a circular path of radius a , with a point charge $\displaystyle -Q$ at the centre of the circle. The kinetic energy of $\displaystyle \mathrm{q}_{0}$ is
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \frac{\mathrm{q}_{0} Q}{8 \pi \epsilon_{0} a}$
Electrostatic Potential and CapacitancePotential Energy of a System of ChargesApplymcqmedium
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CBSE Class 12 Physics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.