Six lead acid type of secondary cells, each of emf 2.0V and internal resistance `0.015Omega`, are joined in series to provide a supply to resistance of `8.5Omega` What are the current drawn from the supply and its terminal voltage?

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 electric cells each of emf 1.5 V and internal resistance 2 Omega are connected in parallel and this combiantion of cells is connected with an external distance of 2 Omega . What will be the current in the external circuit?

48 similar cells each of emf 1.5V and internal resistance 2 Omega are used for sending current through a resistance of 6 Omega . What will be the current if the cells are connected in the following way: 6 rows and 8 cells in a row

What is the minimum number of cells each of emf 10 V and internal resistance 1 Omega to pass a current of 10 A through a resistance R of 3 Omega ? What is the discharging power of R?

An electric cell of emf 10 V and of internal resistance 1 Omega is connected in series with the parallel combination of three resistances of 3 Omega,5 Omega and 8 Omega .Calculate the currents through the three resistances.

A cell of emf 2Vand internal resistance 1.5Omega is connected to two ends of 100 cm wire. The resistance of the wire is 0.005 Omega//cm. The potential gradient of the wire is

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?

48 similar cells each of emf 1.5V and internal resistance 2 Omega are used for sending current through a resistance of 6 Omega . What will be the current if the cells are connected in the following way: 4 rows and 12 cells in a row