MDCAT Physics MCQ #174

A 100 Hz AC generator produces a voltage of 100 V. If the current through a 5 Ω resistor is 5 A, what is the power factor in this circuit?

MDCAT Physics MCQ #174

  1. Question 1

    Q1. A 100 Hz AC generator produces a voltage of 100 V. If the current through a 5 Ω resistor is 5 A, what is the power factor in this circuit?

    • A) 1
    • B) 0.5
    • C) 0.7
    • D) cos(θ)

    Answer: cos(θ)

    Explanation: The correct answer is cos(θ) because it represents the real power component. Option A is an overestimation, option B is an incorrect assumption, and option C is an overestimation.