CUET Preparation Today
A charge Q is in a circular orbit of radius r moving at a speed v, the electric current associated with it is
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$\frac{\pi Q v}{2r}$ $\frac{2\pi Qv}{r}$ $\frac{Qv}{r}$ $\frac{Qv}{2\pi r}$ |
$\frac{Qv}{2\pi r}$ |
$ I = \frac{Q}{t} = \frac{Q}{2\pi r/v} = \frac{Qv}{2\pi r}$ |
