engineering physics MCQ #150

The capacitive reactance of a capacitor is 100 Ω at a frequency of 50 Hz. The capacitance is

engineering physics MCQ #150

  1. Question 1

    Q1. The capacitive reactance of a capacitor is 100 Ω at a frequency of 50 Hz. The capacitance is

    • A) 10 μF
    • B) 31.8 μF
    • C) 50 μF
    • D) 100 μF

    Answer: 31.8 μF

    Explanation: X_C = 1/(2πfC). So, C = 1/(2πfX_C) = 1/(2π*50*100) = 31.8 μF