A complete series circuit consists of a 12.5V battery, a 3.70ohm resistor, and a switch. The internal resistance of the battery in 0.370ohms.
1. What does an ideal voltmeter read when placed across the terminals of the battery? The switch is closed.
2. What does an ideal voltmeter read when placed across the resistor? The switch is closed.
3. What does an ideal voltmeter read when placed across the switch? The switch is closed.