The magnetic flux through a coil is varying according to the relation `phi = (5 t^(3) + 4 t^(2) +
Channel: Doubtnut
Date: 2020-08-02

The magnetic flux through a coil is varying according to the relation `phi = (5 t^(3) + 4 t^(2) + 2t - 5)` Wb. Calculate the induced current through the coil at `t = 2` s if resistiance of coil is 5 ohm.