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

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.

Three identical cells, each of emf 2 V and internal resistance 0.2Omega are connected in series to an external resistor of 7.4Omega . Calculate the current in the circuit.

A battery of emf 6 volts and internal resistance 1Omega is connected in parallel to another battery of emf 8V and internal resistance 2Omega . The combination is then used to send current through an external resistance of 10Omega . Find the current through the external resistance.

Two cells each of emf 10 V and each 1Omega internal resistance are used to send a current through a wire of 2Omega resistance. The cells are arranged in parallel. Then the current through the circuit

4 cells each of emf 2 V and internal resistance of 1Omega are connected in parallel to a load resistor of 2Omega . Then the current through the load resistor is

24 cells of emf 1.5 V each having internal resistance of 1 Omega are connected to an external resistance of 1.5Omega . To get maximum current,