Deduce an expression for the capacitance of a parallel plate capacitor with a simple dielectric (of permittivity `epsilon)`.

Defiine capacitance and farad. Derive the expression for the capacitance of a parallel plate capacitor filled with a dielectric material.

Deduce an expression for the effective capacitance when number of parallel plate capacitors are grouped in (a) series and (b) parallel.

Derive an expressions for effective capacitance of capacitors connected in parallel.