In the given figure the magnetic flux through the loop increases according to the relation ${ϕ}_{B} ( t ) = 10{t}^{2} + 20t$ , where ${ϕ}_{B}$ is in milliwebers and $t$ is in seconds. The magnitude of current through $R = 2Ω$ resistor at $t = 5s$ is _____ $mA .$

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In the given figure the magnetic flux through the loop increases according to the relation ϕ _ B ( t ) = 10 t ^ 2 + 20t

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| ϵ | = (dϕ)/(dt) = 20t + 20mV | i | = (| ϵ |)/(R) = 10t + 10mA At t = 5 | i | = 60mA

In the given figure the magnetic flux through the loop increases...

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