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

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

The resistances of 20Omega are connected to a source of emf. Calculated the ratio of the heats produced in the two resistances when they are connected (i) In series and (ii) in parallel.

The resistances of 20Omega are connected to a source of emf. Calculated the ratio of the heats produced in the two resistances when they are connected (i) In series and (ii) in parallel.

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

State Ohm's law. Derive the laws of resistances, when they are connected: (i) in series (ii) in parallel.

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