engineering physics MCQ #942

A 10 V battery is connected to a 5 ohm resistor. The power dissipated is?

engineering physics MCQ #942

  1. Question 1

    Q1. A 10 V battery is connected to a 5 ohm resistor. The power dissipated is?

    • A) 20 W
    • B) 10 W
    • C) 5 W
    • D) 2 W

    Answer: 20 W

    Explanation: Power = V² / R = (10 V)² / 5 ohm = 20 W.