An ac circuit includes a 155 Ω resistor in series with an 8.00 μF capacitor. The current in the circuit has amplitude 4.00×10−3 A. The frequency for which the capacitive reactance equals the resistance is 128 Hz.  (b) At this frequency, when the voltage across the resistor is maximum, what is the voltage across the capacitor? When the voltage across the capacitor is maximum, what is the voltage across the resistor?

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Author:Raymond A. Serway, John W. Jewett
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Chapter33: Alternating Current Circuits
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Problem 33.60AP
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An ac circuit includes a 155 Ω resistor in series with an 8.00 μF capacitor. The current in the circuit has amplitude 4.00×10−3 A. The frequency for which the capacitive reactance equals the resistance is 128 Hz.  (b) At this frequency, when the voltage across the resistor is maximum, what is the voltage across the capacitor? When the voltage across the capacitor is maximum, what is the voltage across the resistor?

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