The magnetic flux linked with a coil, in webers, is given by the equation `f=3T^(2)+4t+9`.
Channel: Doubtnut
Date: 2020-01-19

The magnetic flux linked with a coil, in webers, is given by the equation `f=3T^(2)+4t+9`. Then the magnitude of induced e.m.f. at `t=2` second will be