What is a battery?

What is meant by a battery or collection of cells.

What are the special features of an ideal battery?

What is the current out of battery ?

What is the current out of the battery?

What is the current out of the battery ?

A battery of emf 10Vand internal resistance 3 Omega 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 ot the battery when the circuit is clossed ?

Two ideal diodes are connected to a battery as shown in the circuit .The current supplied by the battery is

A 4muF capacitor is charged to a potential 10V using a battery. The battery is then removed and then this capacitor is connected parallel to an unchanged capacitor of capacity 6muF . What is the common potential?

The potential difference between the terminals of a 6.0V battery is 7.2 V when it is being charged by a current of 2.0A.What is the internal resistance of the battery?