MDCAT Physics MCQ #481

The current through a 3 ohm resistor is 2A. What is the power dissipated?

MDCAT Physics MCQ #481

  1. Question 1

    Q1. The current through a 3 ohm resistor is 2A. What is the power dissipated?

    • A) 6 W
    • B) 12 W
    • C) 18 W
    • D) 24 W

    Answer: 12 W

    Explanation: P = I^2R = 2^2*3 = 12 W.