Physics · 2018
JEE Main · 16 April 2018, Shift 1 · Q19
A charge q is spread uniformly over an insulated loop of radius r. If it is rotated with an angular velocity ω with respect to normal axis then the…
A charge q is spread uniformly over an insulated loop of radius r. If it is rotated with an angular velocity $\displaystyle \omega$ with respect to normal axis then the magnetic moment of the loop is :
Official answer
(4)
$\displaystyle \frac{1}{2} q \omega r^2$
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JEE Main 2018 Physics question, with the answer from NTA’s final answer key. Where our answers come from.