The storage battery of a car has an emf of 12 V. If the internal resistance of the battery is `0.4 Omega` what is the maximum current that can be drawn from the battery ?

A secondary cell after long use has an emf of 1.9V and large internal resistance of 380 Omega . What maximum current can be drawn from the cell? Could the cell drive the starting motor of a car?

(a) Six lead acid type of secondary cells each of 2.0 V and internal resistance 0.015 omega are joined in series to provide a supply resistance of 8.5 omega what are the current drawn from the supply and its terminal voltage (b) A secondary cell after long use has an e.m of 1.9 V and largic internal resistance of 380 omega what maximum current can be draw from the cell ? Could the cell drive the starting motor of a car ?

If the combination is connected to a battery of emf 20 v and negligible internal resistance determine the current through each resistor , and the total current drawn from the battery .

Three resistor 4 Omega , 6 Omega and 8 Omega , are combined in parallel.If the combination is connected to a battery of emf 25 V and negligible Internal resistance, then determine the current through each resistor and total current drawn from the battery.

Three resistors 2Omega, 4Omega and 5Omega are connected in parallel.If the combination is connected to a battery of emf 20 V and negligible internal resistance, determine the current through each resistor and the total current drawn from the battery.

Two batteries A and B each of e.m.f. 2V are connected in series to an external resistance R = 1 Omega . If the internal resistance of battery A is 1.9 Omega and that of B is 0.9 Omega . What is the potential difference between the terminals of battery A ?

When maximum power is drawn from the battery useful power will be

A car battery has e.m.f. as 12V and internal resistance 5 xx 10^-2 Omega . If it draws 60 ampere current, the terminal voltage of battery will be