In a series LCR circuit , the voltage across an inductor, a capacitor and a resistor are $30\;v, 30\;v$ and $60\;v$ respectively . What is the phase difference between the applied voltage and the current in the circuit .

Question

$\begin{array}{1 1} \phi = 90^{\circ} \\ \phi = 45^{\circ} \\ \phi = 180^{\circ} \\ \phi = zero\end{array} $