45 cells each of internal resistance `0.4Omega` and emf 2.0 V are used to send current through an external circuit of resistance `2.0 Omega`. What will the best mode of grouping them for maximum current? Find the currnet in the external circuit.

36 cells each of internal reistance 0.5Omega and emf1.5V each are used to sent current an external circuit of 2Omega reesistance. Find the best mode of grouping them for maximum current of and the current through the external circuit.

36 cells each of internal resistance 0.5 Omega and emf 1.5 V each are used to send current through an external circuit of 2 Omega resistance. Find the best mode of grouping them and the current through the external circuit.

Thirty six cells each of emf 1.5 V and internal resistance 0.5 Omega are used to send current through an external resistor of resistance 2 Omega . What is the best mode of grouping them and the current through the external resistor

Emf, of a cell is 1.5 V and its internal resistance is 1 Omega When the cell sends current in an external circuit having resistance 2 Omega , then what will be the value of lost volt?

Five cells each of internal resistance 0.2 Omega and e.m.f. 2V are connected in series with a resistance of 4 Omega . The current through the external resistance is :

Three similar cells, each of emf 2 V and internal resistance r Omega send the same current through an external resistance of 2 Omega when connected in series or in parallel. The strength of the current flowing through the external resistance is (A)

Two cells of 6 V and 4 V having internal resistance of 3 Omega and 2 Omega respectively are connected in parallel so as to send a current through an external resistance 8 Omega in the same direction. Find the current through the cells and the current through the external resistance.