Physicshard · Past Paper
What is the current in a circuit containing a 12V battery and three 4-Ohm resistors connected in parallel?
A1 A
B3 A
C9 A
D12 A
✓ Correct Answer: C — 9 A
R_eq = 4/3 Ohms. I = V / R_eq = 12 / (4/3) = 12 * 3 / 4 = 9 Amperes.
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