engineering physics MCQ #994

The power dissipated in a 4 ohm resistor is 16 W. What is the current through it?

engineering physics MCQ #994

  1. Question 1

    Q1. The power dissipated in a 4 ohm resistor is 16 W. What is the current through it?

    • A) 4 A
    • B) 2 A
    • C) 1 A
    • D) 8 A

    Answer: 2 A

    Explanation: P = I²R, so 16 = I² * 4, hence I = 2 A.