Question: In a series circuit with a 12 V battery and two resistors of 3 Ω and 6 Ω, what is the current flowing through the circuit?
Options:
Correct Answer: 2 A
Solution:
Total resistance R_total = R1 + R2 = 3 Ω + 6 Ω = 9 Ω. Current I = V/R_total = 12 V / 9 Ω = 1.33 A, approximately 1 A.