An AC Series Circuit Contains a Resistor of 20 $\Omega$ , an Inductor of 50 MH, and a Variable Capacitor

Multiple Choice

An AC series circuit contains a resistor of 20 $\Omega$ , an inductor of 50 mH, and a variable capacitor. If the frequency of the applied voltage is 500 Hz, to what setting should the capacitor be set if resonance is achieved?

A) 2.4 µF
B) 3.4 µF
C) 2.0 µF
D) 0.8 µF