$A$ coil has an inductance of $2 \, H$ and resistance of $4 \, \Omega$. $A$ $10 \, V$ potential difference is applied across the coil. The energy stored in the magnetic field after the current has built up to its equilibrium value will be $.......... \times 10^{-2} \, J$.

Average energy stored in a pure inductance $L$ when a current $i$ flows through it,is

The magnetic energy stored in an inductor of inductance $5 \mu H$ carrying a current of $2 \ A$ is

Which of the following statements are correct?
$(a)$ An inductor stores energy in the form of a magnetic field.
$(b)$ $A$ capacitor stores energy in the form of an electric field.
$(c)$ An inductor stores energy in the form of both electric and magnetic fields.
$(d)$ $A$ capacitor stores energy in the form of both electric and magnetic fields.

$A$ coil with resistance $20\, \Omega$ and inductance $5\, H$ is connected to a $100\, V$ battery. The energy stored in the coil will be .... $J$.

$A$ coil of self-inductance $0.5 \ mH$ carries a current of $2 \ A$. The energy stored in Joule is . . . . . . .