MDCAT Physics MCQ #5

The power factor of an AC circuit is given by

MDCAT Physics MCQ #5

  1. Question 1

    Q1. The power factor of an AC circuit is given by

    • A) cosφ
    • B) sinφ
    • C) tanφ
    • D) cotφ

    Answer: cosφ

    Explanation: Power factor is defined as cosφ, where φ is the phase angle between voltage and current; 'sinφ' is related to reactive power.