The magnetic flux φ (in weber) linked with a closed circuit of resistance 8 Ω varies with time (in seconds) as φ=5 t^2-36 t+1. The induced current in…

The magnetic flux $\displaystyle \phi$ (in weber) linked with a closed circuit of resistance $\displaystyle 8 \Omega$ varies with time (in seconds) as $\displaystyle \phi=5 t^2-36 t+1$. The induced current in the circuit at $\displaystyle t=2 \mathrm{~s}$ is $\displaystyle \_\_\_\_ A$.