Two cells , one of emf 1.2 V and internal resistance `0.5Omega` the other of emf 2 V and internal resiatnce `0.1Omega` are connnected in series with an external resistance of `5Omega` . What is the current through this resistor ?

Two cells one of emf 1.4 V and internal resistance 0.6 Omega the other of emf 2.5. V and internal resistance 0.3 Omega are connected in parallel and the combination is connected in series with an external resistance of 4 Omega . What is the current through this resistance?

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

Two batteries, one of emf 18V and internal resistance 2Omega and the other of emf 12 and internal resistance 1Omega , are connected as shown. The voltmeter V will record a reading of

Two batteries, one of emf 18V and internal resistance 2Omega and the other of emf 12 and internal resistance 1Omega , are connected as shown. The voltmeter V will record a reading of

Two batteries, one of emf 18V and internal resistance 2Omega and the other of emf 12 and internal resistance 1Omega , are connected as shown. The voltmeter V will record a reading of

Two batteries, one of emf 18V and internal resistance 2Omega and the other of emf 12 and internal resistance 1Omega , are connected as shown. The voltmeter V will record a reading of

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 :

Two batteries one of emf 18 V and internal resistance 2Omega . And the other of emf 12 V and internal resistance 1Omega , are connected as shown. The voltmeter V will velocity record a reading of: