Consider the circuit shown in the figure below. The terminal voltage of the 24.0 V battery is 23.2 V, and the current in the circuit is 4.30 A.
![758_circuit shown in the figure.png](https://secure.tutorsglobe.com/CMSImages/758_circuit%20shown%20in%20the%20figure.png)
(a) What is the internal resistance r of the battery?
(b) What is the resistance R of the circuit resistor?