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>>Gauss Law for Magnetism
>> $shown in the figure is a circular loop o$

Question

shown in the figure is a circular loop of radius r and resistance R. A variable magnetic field of induction $B = B_{e} e^{r}$ is established inside the coil.If the key (K) is closed, the electrical power developed right after the switch is equal to:-

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A

$\frac{B ^{2} π r ^{2}}{R}$

B

$\frac{B _{0} 1 0 r ^{3}}{R}$

C

$\frac{B _{0}^{2} π ^{2} r ^{4} R}{5}$

D

$\frac{B _{0}^{2} π ^{2} r ^{4}}{R}$

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Updated on : 2022-09-05

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Correct option is D)

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