engineering physics MCQ #91

The impedance of a series LCR circuit is minimum when

engineering physics MCQ #91

  1. Question 1

    Q1. The impedance of a series LCR circuit is minimum when

    • A) X_L = X_C
    • B) X_L > X_C
    • C) X_L < X_C
    • D) X_L = 0

    Answer: X_L = X_C

    Explanation: At resonance, X_L = X_C, so Z = R, which is minimum.