Physics - EMI/AC Question with Solution | TestHub

Equivalent resistance is$8 \mathrm{\Omega }$

Therefore time constant is,

$\tau =\frac{L}{R_{eq}}$

$\tau =\frac{2}{8}=0.25 \mathrm{s}$

And the steady-state current is,

$i_0=\frac{\epsilon }{R}$

$i_0=\frac{6}{8}=0.75 \mathrm{A}$