MDCAT Physics MCQ #596

A current of 2 A flows through a 20 Ω resistor. What is the power dissipated?

MDCAT Physics MCQ #596

  1. Question 1

    Q1. A current of 2 A flows through a 20 Ω resistor. What is the power dissipated?

    • A) 10 W
    • B) 20 W
    • C) 40 W
    • D) 80 W

    Answer: 20 W

    Explanation: Using the formula P = I^2R, we find the power dissipated. The other options are incorrect due to incorrect calculations or assumptions.