MDCAT Physics MCQ #469

The potential difference across a 2 ohm resistor is 4V. What is the power dissipated?

MDCAT Physics MCQ #469

  1. Question 1

    Q1. The potential difference across a 2 ohm resistor is 4V. What is the power dissipated?

    • A) 2 W
    • B) 4 W
    • C) 8 W
    • D) 16 W

    Answer: 8 W

    Explanation: P = V^2/R = 4^2/2 = 8 W.