Derive the expression for self inductance of a solenoid.

Derive an expression for inductance of a solenoid and state factors on which it depends.

Derive an expression for the self-inductance of a toroid of circular crosssection of radius r and major radius R. Calculate the self inductance (L) of toroid for major radius(R) = 15 cm, crosssection of toroid having radius (r) = 2.0 cm and the number of turns (n) = 1200.

Write formula for self inductance of a long solenoid.

Answer the following Derive an expression for speed of sound.

Define the term self inductance of a coil.

Derive expression for enthalpy change.

Derive the expression for the energy of an electron in the atom.

Derive the expression for resistances connected in series.

Derive an expression for efficiency of Carnot cycle.