engineering physics MCQ #143

A capacitor of capacitance 100 μF is connected to an AC source of frequency 50 Hz. The reactance is

engineering physics MCQ #143

  1. Question 1

    Q1. A capacitor of capacitance 100 μF is connected to an AC source of frequency 50 Hz. The reactance is

    • A) 31.8 Ω
    • B) 63.7 Ω
    • C) 100 Ω
    • D) 200 Ω

    Answer: 31.8 Ω

    Explanation: X_C = 1/(2πfC) = 1/(2π*50*100e-6) = 31.8 Ω