List of top Physics Questions on AC Circuits asked in Bihar Board XII

In resonance condition, the frequency of L-C circuit is
The applied voltage in an alternating circuit is 220 V. If \( R = 8 \, \Omega \) and \( X_L = X_C = 6 \, \Omega \), then find the root mean square value of voltage and impedance of the circuit.
In a purely inductive circuit, the power factor is
In an a.c. circuit containing only capacitor, the phase difference between current and voltage is
The phase-difference between current and voltage in only capacitive alternating current circuit is