A 5V battery is connected to two `20 Omega` resistors which are joined together in series.
(a) Draw a circuit diagram to represent this. Add an arrow to indicate the direction of conventional current flow in the circuit.
(b) What is the effective resistance of two resistors?
(c) Calculate the current that flows from the battery.
(d) What is the p.d. across each resistor?

When a 12V battery is connected to resistor , 2.5 Ma current flows through the circuit . If so what is the resistance of the resistor ?

In the circuit shown below, the voltmeter reads 10V. (a) What is the combined resistance? (b) What current flows? (c) What is the p.d. across 2Omega resistor? (d) What is the p.d. across 3Omega resistor?

The figure given below shows an electric circuit in which current flows from a 6V battery through two resistors. (a) Are the resistors connected in series with each other or in parallel? (b) For each resistor, state the p.d. across it. (c) The current flowing from the battery is shared between the two resistors. Which resistor will have bigger share of the current? (d) Calculate the effective resistance of the two resistors. (e) Calculate the current that flows from the battery.

A 12 V battery is connected to the arrangement of resistors as in the circuit diagram shown in fig. calculate the total current flowing in the circuit.

A battery of emf 10 V and internal resistance 3 Omega is connected to a resistor. If the current in the circuit is 0.5 A, what is the resistance of the resistors ? What is the terminal voltage of the battery when the circuit is closed ?

A battery of emf 10 V and internal resistance 3 Omega is connected to a resistor. If the current in the circuit is 0.5 A, what is the resistance of the resistor? What is the terminal voltage of the battery when the circuit is closed?