MDCAT Physics MCQ #750

A device is connected to a DC power source. What is the power dissipated across a 5 ohm resistor?

MDCAT Physics MCQ #750

  1. Question 1

    Q1. A device is connected to a DC power source. What is the power dissipated across a 5 ohm resistor?

    • A) 20 W
    • B) 30 W
    • C) 40 W
    • D) 50 W

    Answer: 40 W

    Explanation: Power is calculated as the product of voltage and current.