Derive expression for self inductance for a solenoid.

Explain self induction. Define its unit. Derive relation forself inductance of a long solenoid.

Define mutual inductance. Write its SI unit. Derive an expression for the mutual inductance of two long co-axial solenoids of same length wound one over the other.

The dimensions of self inductance are

Define the term self-inductance of a solenoid. Obtain the expression for the magnetidc energy stored in an inductor of self-inductance L to build up a current I through it.

Derive the expression for internal resistance of a cell.

Derive expression for pressure exerted by gas.