A Series Circuit Has a 50-Hz Ac Source,a 40-Ω Resistor,a

question 37

Multiple Choice

A series circuit has a 50-Hz ac source,a 40-Ω resistor,a 0.70-H inductor,and a 60-μF capacitor,as shown in the figure.The rms current in the circuit is 1.6 A.What is the voltage amplitude of the source?

• A)390 V
• B)330 V
• C)270 V
• D)220 V
• E)190 V

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