A battery after a long use has a emf 24V and an internal resistance `380 Omega`. Calculate the maximum current drawn from the battery? Can this battery drive starting motor of car

A battery having e.m.f. 5V and internal resistance 0.5 is connected with a resistance of 4.5 Omega , then the voltage at the terminals of the battery is

A battery of emf 12 V and internal resistance 3 Omega is connected to a resistor. If the current in the circuit is 0.5 A, Calculate resistance of resistor.

A battery of emf 12 V and internal resistance 3 Omega is connected to a resistor. If the current in the circuit is 0.6 A, Calculate terminal voltage of the battery when the circuit is closed.

A battery of emf 4 volt and internal resistance 1 Omega is connected in parallel with another battery of emf 1 V and internal resistance 1 Omega (with their like poles connected together). The combination is used to send current through an external resistance of 2 Omega . Calculate the current through the external resistance.

Choose correct alternative. 100 cells each of emf 5V and internal resistance 1 Omega are to be arranged so asto produce maximum current in a 25 Omega resistance. Each row contains equal number of cells. The number of rows should be A. 2 B. 4 C. 5 D. 100

A set of 'n' equal resistor, of value of 'R' each are connected in series to a battery of emf 'E' and internal resistance 'R' . The current drawn is I . Now, the 'n' resistors are connected in parallel to the same battery. Then the current drawn from battery becomes 10 I. The value of 'n' is

A galvanometer has resistance of 25 Omega capacity to carry a maximum current of 25mA. How can it be used as ammeter to read the current upto 0.1 A?

A circular loop has a resistance of 40 Omega . Two points P and Q of the loop, which are one quarter of the circumference apart are connected to a 24V battery, having an internal resistance of 0.5 Omega . What is the current flowing through the battery.