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At a place earth's magnetic field, $5 \times 10^5 \mathrm{~Wb} / \mathrm{m}^2$ is acting perpendicular to a coil of radius $R=5 \mathrm{~cm}$. If $\mu_0 / 4 \pi=10^{-7}$, then how much current is induced in circular loop?
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The correct answer is:
$0 \mathrm{~A}$
As the earth's magnetic field is acting perpendicular to the coil and as here is no charge of magnetic flux through the coil, the current induced in the coil is zero.
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