The resonant frequency of a series LCR circuit is 1000 Hz. If the inductance is doubled and capacitance is halved, the new resonant frequency will be
Q1. The resonant frequency of a series LCR circuit is 1000 Hz. If the inductance is doubled and capacitance is halved, the new resonant frequency will be
Answer: 2000 Hz
Explanation: Use f_res = 1 / (2π√(LC)), so if L is doubled and C is halved, f_res becomes √(2/1) * 1000 Hz = 2000 Hz / √2 * √2.