Electrical Circuit Theory and Technology 6th Edition by John Bird

تمرين 4

A coil of resistance 15  and inductance 150 mH is connected in parallel with a 4 F capacitor across a 50 V, variable-frequency supply. Determine (a) the resonant frequency of the circuit, (b) the dynamic resistance, (c) the current at resonance, and (d) the circuit Q-factor at resonance.