In the given figure the magnetic flux |EMI| JEE MAIN 2021

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JEE MAIN 2021

27-07-2021 - S2

Question

In the given figure the magnetic flux through the loop increases according to the relation $\varphi_{\mathrm{B}}(\mathrm{t})=10 \mathrm{t}^2+20 \mathrm{t}$, where $\varphi_{\mathrm{B}}$ is in milliwebers and t is in second.
The magnitude of current through R = $2 \Omega$ resistor at t = 5 s is _______mA.

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