Derive an expression for rms value of ac.

Derive an expression for average value of ac over a half cycle.

Derive an expression for time period of a simple pendulum.

Derive an expression for half life of a radioactive substance.

Derive an expression for time period of a loaded spring with a diagram.

An a.c. is given by I = I_0 sin omegat . Derive the expression for tis r.m.s value.

With neat circuit diagram derive an expression for impedance of an RLC series circuit containing AC source.

Derive an expression for self inductance