Question: What is the total current in a circuit with a 24V battery and two resistors of 8Ω and 4Ω in series?

Options:

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

Correct Answer: 3 A

Solution:

Total resistance R = R1 + R2 = 8Ω + 4Ω = 12Ω. Current I = V/R = 24V / 12Ω = 2 A.