A circular segment of radius \( 20 \mathrm{~cm} \) subtends an angle of \( 60^{\circ} \) at its ...

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A circular segment of radius \( 20 \mathrm{~cm} \) subtends an angle of \( 60^{\circ} \) at its centre. Fig. 4(Q).36. A current of \( 10 \mathrm{~A} \) is flowing through it. Find the magnitude and direction of the magnetic field produced at the centre.
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