A Series LCR AC Circuit Is at Resonance

question 8

Multiple Choice

A series LCR AC circuit is at resonance.It contains a resistor of 16 Ω,a capacitor of 0.35 μF,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) 9.4 A
• B) 3.3 A
• C) 5.0 A
• D) 16.1 A

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