An AC series circuit contains a resistor of 20.0 Ω,an inductor of 74.0 mH and a variable capacitor.If the frequency of the applied voltage is 423 Hz,to what setting should the capacitor be set if resonance is achieved?
A)1.89E-5 F
B)7.66E-6 F
C)5.09E-6 F
D)1.91E-6 F
E)1.91E-5 F

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The Answer of An AC series circuit contains a resistor of 20.0 Ω,an inductor of 74.0 mH and a variable capacitor.If the frequency of the applied voltage is 423 Hz,to what setting should the capacitor be set if resonance is achieved?
A)1.89E-5 F
B)7.66E-6 F
C)5.09E-6 F
D)1.91E-6 F
E)1.91E-5 F

An AC Series Circuit Contains a Resistor of 20