When the current changes from $ + 2A$ to $-2A$ in $0.05$ second, an $e.m.f.$ of $8$ $V$ is inducted in a coil. The coefficient of self- induction of the coil is
$0.2H$
$0.4H$
$0.8$ $H$
$0.1$ $H$
Solution
Please login to view the detailed solution steps...
