When a 12V battery is connected to resistor , 2.5 Ma current flows through the circuit . If so what is the resistance of the resistor ?

A battery of emf 10V and internal 2Omega is connected to a reststor.If the current in the is 0.5 A, what is the resistance of the resistor?

A battery of emf 10V and internal resistance 3Omega is connected to a resistor.If the current in the circuit is 0.5A,what is the resistance of the resistor? What is the terminal voltage of the battery when the circuit is closed?

A battery of e.m.f. 10V and internal resistance 3W is connected to a resistor. If the current in the circuit is 0.5A, what is the resistance of the resistor? What is the terminal voltage of the battery when the circuit is closed?

A 50V battery is connected across 10 ohm resistor and a current of 4.5A flows. The internal resistance of the battery is

A voltmeter reads 80V when connected across the terminals of AC voltage source with frequency f = 100Hz : If the above voltage is connected across a (40 Omega) resistor find the current through the resistor. How will the current change if the same voltage is applied at 100kHz (1kHz = 1000 Hz)?

A cell consists of electrodes and electrolyte. When it is connected to an external circuit it sends a current through it. What is meant by internal resistance of a cell?