Question: What is the total current in a circuit with a 12 V battery and a total resistance of 4 Ω?

Options:

1. 3 A
2. 4 A
3. 6 A
4. 2 A

Correct Answer: 6 A

Solution:

Using Ohm\'s Law: I = V / R = 12 V / 4 Ω = 3 A.