Two identical batteries, each of e.m.f. 2 volt and internal resistance `1.0` ohm are available to produce heat in an external resistance `R = 0.5` ohm by passing a current through it. The maximum Joulean power that can be developed across R using these batteries is

Two identical batteries each of emf E= 2 volt and internal resistance r=1 ohm are available t . produce heat in an external resistance by passing a current through it. What is the maximum power that can be developed across an external resistance R using these batteries?

Two identical batteries each of emf E= 2 volt and internal resistance r=1 ohm are available t . produce heat in an external resistance by passing a current through it. What is the maximum power that can be developed across an external resistance R using these batteries?

Two identical batteries, each of EMF 2V and internal resistance r =1Omega are connected as shown. the maximum power that can be developed across R using these batteries is :

Two indentical batteries, each of emf 2V andinternal resistance r=1Omega are connected as shown. The maximum power that can be developed across R using these batteries is

Two indentical batteries, each of emf 2V andinternal resistance r=1Omega are connected as shown. The maximum power that can be developed across R using these batteries is

A storage battery has e.m.f. 15 volts and internal resistance 0.05 ohm . Its terminal voltage when it is delivering 10 ampere is

A battery is of emt E and internal resistance R . The value of external resistance r so that the power across eternal resistance is maximum :

A battery is of emt E and internal resistance r . The value of external resistance R so that the power across eternal resistance is maximum :

Two identical cells each of emf E and internal resistance r are connected in parallel with an external resistance R. To get maximum power developed across R, the value of R is