Three resistors 2 ohm ,4 ohm and 5 ohm are combined in parallel and the combination is connected to a battery of emf 20 V and negligible internal resistance, determine the current through each resistor, and the total current drawn from the battery.

If the combination is connected to a battery of e.m.f. 12 V and negligible internal resistance, obtain the potential drop across each resistor.

Three resistors 1Ω, 2Ω and 3Ω are combined in series and the combination is connected to a battery of emf 12 V and negligible internal resistance, obtain the potential drop across each resistor.

Three resistors of 4 ohms, 6 ohms, and 12 ohms are connected in parallel, and the combination is connected in a series with a 4 V battery having an internal resistance of 2 ohms. What is the battery’s current?

Three resistors 2 Omega , 4 Omega and 5 Omega are combined in parallel. What is the total resistance of the combination?

Three resistors 2Omega , 4Omega and 5Omega are combined in parallel. What is the total resistance of the combination?

A resistor is connected to a battery of emf 10 V and internal resistance 0.3 Omega. What is the resistance of the resistor to be inserted in the circuit for the circuit current 1.2A?

Four resistors of 12 Omega each are connected in parallel . Three such combinations are then connected in series. What is the total resistance ? If a battery of 9 V emf and negligible internal resistance is connected across the networks, find the current flowing through of each resistors.

A cell of emf 2 V and internal resistance 0.1Ohm is connected to a 20 Ohm resistor .What is the current in the circuit ?