A Series RLC AC Circuit Is at Resonance

question 97

Multiple Choice

A series RLC AC circuit is at resonance.It contains a resistor of 30 W,a capacitor of 0.35 mF and an inductor of 90 mH.If an effective (rms) voltage of 150 V is applied,what is the effective (rms) current when the circuit is in resonance?

• A)3.3 A
• B)5.0 A
• C)9.4 A
• D)16.1 A

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