engineering physics MCQ #193

The impedance of an LCR circuit at resonance is

engineering physics MCQ #193

  1. Question 1

    Q1. The impedance of an LCR circuit at resonance is

    • A) minimum
    • B) maximum
    • C) equal to R
    • D) both A and C

    Answer: both A and C

    Explanation: At resonance, Xl = Xc, so Z = R; hence impedance is minimum and equal to R.