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

question 41

Multiple Choice

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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