The Figure Shows a Series Ac Circuit

question 78

Multiple Choice

The figure shows a series ac circuit. The inductor has a reactance of 80 Ω and an inductance of 220 mH. A 30-Ω resistor and a capacitor whose reactance is 80 Ω are also in the circuit, and the rms current in the circuit is 2.0 A. What is the capacitance of the capacitor?

• A) 34 μF
• B) 37 μF
• C) 32 μF
• D) 30 μF
• E) 27 μF

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