Establish the fact that the relative motion between the coil and the magnet induces an emf in the coil of a closed circuit.

Give an illustration of determining direction of induced current by using Lenz’s law.

Show that Lenz’s law is in accordance with the law of conservation of energy.

Give the uses of Foucault current.

Define self-inductance of a coil interms of
(i) magnetic flux and
(ii) induced emf.

How will you define the unit of inductance?

What do you understand by self - inductance of a coil? Give its physical significance.

Assuming that the length of the solenoid is large when compared to its diameter, find the equation for its inductance.

An inductor of inductance L carries an electric current i. How much energy is stored while establishing the current in it?

Show that the mutual inductance between a pair of coils is same (M₁₂ = M₂₁).

How will you induce an emf by changing the area enclosed by the coil?

Show mathematically that the rotation of a coil in a magnetic field over one rotation induces an alternating emf of one cycle. (or) Emf induced by changing relative orientation of the coil with the magnetic field.

Elaborate the standard construction details of AC generator.

Explain the working of a single-phase AC generator with necessary diagram.

How are the three different emfs generated in a three-phase AC generator? Show the graphical representation of these three emfs.

Explain the construction and working of transformer.

Mention the various energy losses in a transformer.

. Give the advantage of AC in long distance power transmission with an illustration.

Find out the phase relationship between voltage and current in a pure inductive circuit.

Derive an expression for phase angle between the applied voltage and current in a series RLC circuit.

Define inductive and capacitive reactance. Give their units.

Obtain an expression for average power of AC over a cycle. Discuss its special cases.

Prove that the total energy is conserved during LC oscillations.

Compare the electromagnetic oscillations of LC circuit with the mechanical oscillations of blockspring system qualitatively to find the expression for angular frequency of LC oscillator.

Explain the generation of LC oscillations in a circuit containing an inductor of inductance L and a capacitor of capacitance C.