A series LCR circuit is in resonance. If the capacitance is doubled, the resonant frequency becomes
Q1. A series LCR circuit is in resonance. If the capacitance is doubled, the resonant frequency becomes
Answer: 1/√2 times
Explanation: Resonant frequency f = 1 / (2π√(LC)), so if C is doubled, f becomes 1/√2 times.