Three cells of emf 2.0 v, 1.8 V and 1.5 V are connected in series. Their internal resistances are `0.05 Omega, 0.7 Omega " and " 1 Omega` respectively. If the battery is connected to an external resistor of` 4 Omega `via a very resistance ammeter, what would be the reading in the ammeter ?

A battery 9 V is connected in series with resistors of 0.2 Omega ,0.3 Omega 0.4 Omega 0.5 Omega and 12 Omega respectively.How much current will flow through a 12 Omega resistor?

Two cells, E_(1) and E_(2) of emfs 4 V and 8 V having internal resistances 0.5 Omega and 1.0 Omega respectively are connected in opposition to each other. This combination is connected in opposition to with resistance of 4.5 Omega and 3.0 Omega . Another resistance of 6 Omega is connected in parallel across the 3 Omega resistor. Draw the circuit diagram

Two cells of emfs 1.5 V and 2.0V internall resistance 1 Omega and 2 Omega are connected in parallel so as to send current in the same direction through an external resistance of 5 Omega . Draw the circuit diagram.

Two cells of emf 2V and 4V and internal resistance 1Omega and 2Omega respectively are connected in parallel so as to send the current in the same direction through an external resistance of 10Omega. Find the potential difference across 10Omega resistor.

Three resistors 1 Omega , 2 Omega and 3 Omega are combined in series. What is the total resistance of the combination?

Two resistance of 6Omega and 12 Omega are connected in parallel. Their terminals are conneted to a battery of e.m.f 4.8 V and internal resistance of 2Omega . Find the current supplied by the battery.

Three resistors 1Omega , 2Omega and 3Omega are combined in series. What Is the total resistance of the combination?