Magnetic flux (in weber) in a closed | EMI

JEE MAIN 2022

25-07-2022 S2

Question

Magnetic flux (in weber) in a closed circuit of resistance $20 \Omega$ varies with time $t(s)$ as $\phi=8 t^2-9 t+5$. The magnitude of the induced current at $t=0.25 \mathrm{~s}$ will be $\_\_\_\_$ mA

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JEE Main

Physics

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