A circular loop of radius \( 20 \mathrm{~cm} \) carries a current of \( 10 \mathrm{~A} \). An el...

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A circular loop of radius \( 20 \mathrm{~cm} \) carries a current of \( 10 \mathrm{~A} \). An electron crosses the plane of the loop with a speed of \( 2.0 \times 10^{6} \mathrm{~m} \mathrm{~s}^{-1} \). The direction of motion makes an angle of \( 30^{\circ} \) with the axis of the circle and passes through its centre. Find the magnitude of the magnetic force on the electron at the instant it crosses the plane.
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