Correct the following statement. The effective capacitance increases when number of capacitors are grouped in series.

Correct the following statement. To decrease the effective capacitance, the given capacitors are to be grouped in parallel.

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

Correct the following statement The mass of a body decreases when it is negatively charged.

Correct the following statement. Work is not required to charge a capacitor.

Derive an expression for the equivalent capacitance when capacitors are connected in parallel.

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

What is the effective resistance value of 3 equal resistance 3 Ohm each when grouped in series