An AC series circuit contains a resistor of 20 W,an inductor of 30 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)0.8 µF
B)1.6 µF
C)2.4 µF
D)3.4 µF

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The Answer of An AC series circuit contains a resistor of 20 W,an inductor of 30 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)0.8 µF
B)1.6 µF
C)2.4 µF
D)3.4 µF

An AC Series Circuit Contains a Resistor of 20 W,an