engineering physics MCQ #925

The power dissipated in a 10 ohm resistor when a current of 2 A flows through it is

engineering physics MCQ #925

  1. Question 1

    Q1. The power dissipated in a 10 ohm resistor when a current of 2 A flows through it is

    • A) 20 W
    • B) 40 W
    • C) 10 W
    • D) 5 W

    Answer: 40 W

    Explanation: Using P = I²R, where I = 2, R = 10, we get P = 2² * 10 = 40 W