Give the expression for equivalent capacitance of a number of capacitors of different capacitances in series combination.

Give the expression for equivalent capacitance of a number of capacitors of different capacitances in parallel combination.

Write the equivalent capacitance of a number of identical capacitors connected in series.

Obtain an expression for effective capacitance of two capacitors in series.

(c) Derive the expression for the affective capacitance of a series combination of n capacitors.