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  4. A circular coil of 1000 turns each with area 1 m 2 is rotated about its vertical diameter at the rate of one revolution per second in a uniform horizontal magnetic field of 0.07 T. The maximum voltage generation will be V.

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Q. A circular coil of $1000$ turns each with area $1 \,m ^{2}$ is rotated about its vertical diameter at the rate of one revolution per second in a uniform horizontal magnetic field of $0.07 \,T$. The maximum voltage generation will be ______$V$.

JEE MainJEE Main 2022Electromagnetic Induction

Solution:

$\in_{\max }= BAN \omega$
$=0.07 \times 1 \times 10^{3} \times 2 \pi$
$=140 \pi \approx 440$