engineering physics MCQ #43

The resonant frequency of a series LCR circuit is

engineering physics MCQ #43

  1. Question 1

    Q1. The resonant frequency of a series LCR circuit is

    • A) 1 / (2π√LC)
    • B) 1 / (2π√(L/C))
    • C) 1 / (2πLC)
    • D) √(L/C) / (2π)

    Answer: 1 / (2π√LC)

    Explanation: At resonance, ωL = 1/ωC, so ω = 1/√LC, and f = ω/(2π) = 1 / (2π√LC).