In the given circuit, the magnitude of $V_{L}$ and $V_{C}$ are twice that of $V_{R}$. Given that $f = 50$ Hz, the inductance of the coil is $\frac{1}{K\pi}$ mH. The value of $K$ is \_\_\_\_.
In the given circuit, the magnitude of $V_{L}$ and $V_{C}$ are twice that of $V_{R}$. Given that $f = 50$ Hz, the inductance of the coil is $\frac{1}{K\pi}$ mH. The value of $K$ is \_\_\_\_.