Two cells of emf 1.5 Volt and 2 Volt having respective internal resistances of `1 Omega` and `2 Omega` are connected in parallel so asto send current in same direction through an external resistance of `5 Omega`. Find the current through the external resistance.

A battery of emf 4 volt and internal resistance 1 Omega is connected in parallel with another battery of emf 1 V and internal resistance 1 Omega (with their like poles connected together). The combination is used to send current through an external resistance of 2 Omega . Calculate the current through the external resistance.

Three resistances 15Omega , 20 Omega and 10 Omega are connected in parallel. Find the effective resistance of the circui

Two resistors 1k Omega and 2k Omega are connected in parallel combination. Find equivalent resistance of parallel combination.

Resistors having resistances of 15 Omega , 20 Omega and 10 Omega are connected in parallel. What is the effective resistance in the circuit?

Two resistors 1k Omega and 3k Omega are connected in parallel combination. When this parallel combination is connected to 9 V supply, by neglecting internal resistance calculate current through each resistor.

A cell of e.m.f. 3 V and internal resistance 4 Omega is connected to two resistances of 10 Omega and 24 Omega joined in parallel. Find the current through each resistance using Kirchhoff's laws

Two batteries of 7 volt and 13 volt and internal resistances 1 ohm and 2 ohm respectively are connected in parallel with a resistance of 12 ohm. Find the current through each branch of the circuit and the potential difference across 12-ohm resistance.