Define self-inductance of a coil. Obtain the expression for the energy stored in an inductor L connected across a source of emf.

Derive the expression for energy stored in an inductor of coefficient of self inductance L carrying current i_0 .

Derive the expression for energy stored in an inductor of coefficient of self-inductance L carrying current i_(0) .

Show that the average power consumed in an inductor L connected to an source is zero.

Find out the energy stored in a coil of self inductance L due to a current I through it.

Resistance of a coil is 10Omega and its self inductance is 5H. Find the energy stored when it is connected with a 100V battery.

Net capacitance of three identical capacitors in series is 2 mu F . Find the ratio of the energy stored in the two configurations if they are both connected to the same source.

In a series LCR circuit connected to an ac source of voltage v=v_msinomegat , use phasor diagram to derive an expression for the current in the circuit. Hence obtain the expression for the power dissipated in the circuit.Show that power dissipated at resonance is maximum.

How would you obtain the expression for induced emf from the laws of electromagnetic induction?

Explain briefly, with the help of labelled diagram, and obtain the expression for the emf generated in the rotating coil in the magnetic field.

Three resistors of equal resistances when connected in series across a voltage souce , dissipate 100 watt of power. What would be the power dissipated . If the resistors are connected in parallel across the same source of emf?