A Series $R L C$ Circuit Has A $100 - \Omega$ Resistor, A

Multiple Choice

A series $R L C$ circuit has a $100 - \Omega$ resistor, a $0.100 - \mu \mathrm { F }$ capacitor and a $2.00 - \mathrm { mH }$ inductor connected across a 120-V rms ac voltage source operating at $1000 / \pi \mathrm { Hz }$ . What is the resonant frequency of this circuit?

A) $70.7 \mathrm { kHz }$
B) $17.9 \mathrm { kHz }$
C) $22.5 \mathrm { kHz }$
D) $11.3 \mathrm { kHz }$
E) $35.3 \mathrm { kHz }$