engineering physics MCQ #185

A capacitor is connected to an AC source. The capacitive reactance is

engineering physics MCQ #185

  1. Question 1

    Q1. A capacitor is connected to an AC source. The capacitive reactance is

    • A) 1 / (ωC)
    • B) ωC
    • C) ω/L
    • D) L/ω

    Answer: 1 / (ωC)

    Explanation: Capacitive reactance X_C = 1 / (ωC), where ω = 2πf, f is frequency, and C is capacitance.