Physics - EMI/AC Question with Solution | TestHub

A coil of resistance $400\Omega$ is placed in a magnetic field. If the magnetic flux $\varphi (\mathrm{Wb})$ linked with the coil varies with time $t$ (sec) as $\varphi =50t^2+4$ The current in the coil at $t=2\mathrm{s}$ isNEET 2012 (Screening)