Three cells of 1.5V, 2.5V and 3.5 V, respectively, are connected in series to form a battery. Find the e.m.f of the battery.

Four cells, each of e.m.f 1.5 V, are connected in series to form a battery. Find the e.m.f of the bettery.

Four cells of e.m.f. 2.5 V each are connected in series to form a battery, the e.m.f. of the battery is "_______" .

Three identical cells each of emf 2 V and internal resistance 1 Omega are connected in series to form a battery. The battery is then connected to a parallel combination of two identical resistors, each of resistance 6 Omega Find the current delivered by the battery.

Three cells of emf 2V, 6V, and 8V are connected in series. The effective emf of the combination ?

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 ?

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 ?

Two cells of voltage 10 V and 2 V and internal resistances 10 Omega and 5 Omega respectively, are connected in parallel with the positive end of 10V battery connected to negative pole of 2 V battery (figure). Find the effective voltage and effective resistance of the combination.