engineering physics MCQ #285

A series LCR circuit is in resonance. If the capacitance is doubled, the resonant frequency becomes

engineering physics MCQ #285

  1. Question 1

    Q1. A series LCR circuit is in resonance. If the capacitance is doubled, the resonant frequency becomes

    • A) 1/√2 times
    • B) √2 times
    • C) Double
    • D) Half

    Answer: 1/√2 times

    Explanation: Resonant frequency f = 1 / (2π√(LC)), so if C is doubled, f becomes 1/√2 times.