In a series $LCR$ circuit,the resistance is $18 \ \Omega$ and the impedance is $33 \ \Omega$. An $r.m.s.$ voltage of $220 \ V$ is applied across the circuit. The true power consumed in the $a.c.$ circuit is: (in $W$)

An $R-L-C$ circuit consists of a $150 \Omega$ resistor,$20 \mu F$ capacitor,and a $500 mH$ inductor connected in series with a $100 V$ $AC$ supply. The angular frequency of the supply voltage is $400 rad s^{-1}$. The phase angle between the current and the applied voltage is

With a gradual increase in the frequency of an $A.C.$ supply, the impedance of an $LCR$ series circuit

For the given figures,choose the correct option:

The reading of the ammeter in the circuit is ............ $A$.

Obtain the relation for the voltage applied to a series $LCR$ circuit.