Reactance: In the circuit shown in the figure, the 60-Hz ac source has a voltage amplitude of 120 V, the capacitive reactance is 820 ?, the inductive reactance is 330 ?, and the resistance is 550 ?. What is the capacitance C of the capacitor?
A. 3.2 µF
B. 6.3 µF
C. 9.4 µF
D. 13 µF
E. 20 µF
Answer: A
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