In a series resonant R-L-C circuit, the voltage across $R$ is 100 V and the value of $R$ is 1000 Ω. The capacitance of the capacitor is $2 \times 10^{-6}$ F; the angular frequency of the AC is $200 \, \text{rad/s}^{-1}$. Then the P.D. across the inductance coil is ……….