A circular loop of one turn carries a current of \( 5.00 \mathrm{~A} \). If the magnetic field \...

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A circular loop of one turn carries a current of \( 5.00 \mathrm{~A} \). If the magnetic field \( B \) at the centre is \( 0.200 \mathrm{mT} \), find the radius of the loop.
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