Derive an expression for the effective resistance when three resistors are connected in (i) series (ii) parallel.

Resistance are used to reduce the current flow in a circuit. Resistance can be connected in series and parallel to obtain the required value of resistance. Derive an expression for the effective resistance when three resistors are connected in parallel.

Answer the following question: Obtain an expression for the effective resistance when a number of resistors are connected in parallel.

What is the effective resistance when two or more resistors are connected in series?

What happens to the effective resistance when two resistors are connected in series?

Answer the following question: Obtain an expression for the effective resistance when a number of resistors are connected in series.

Find the total resistance when the various resistors are connected (i) in series and (ii) in parallel.

Derive an expression for the effective capacitance of three capacitors connected in series.