A 200 Q resistor is connected in series with a 4.00 µF capacitor and an ac source. The voltage across the resistor is VR = 5.00 V cos [(800 rad/s) t]. What is the reactive capacitance and the instantaneous voltage across the capacitor A. Xe = 8.00 x 104 Q, vc = 2.00 x 10-5 V cos [(800 rad/s) t- T/2] B. Xc = 8.00 x 104 0, vc = 2.00 x 105 V cos [(800 rad/s) t + n/2] C. Xe =1.25 x 103 Q, vc = 31.2 V cos [(800 rad/s) t+ T/2] D. Xc =1.25 x 103 Q, vc = 31.2 V cos [(800 rad/s) t- n/2]

A 200 Q resistor is connected in series with a 4.00 µF capacitor and an ac source. The voltage across the resistor is VR = 5.00 V cos [(800 rad/s) t]. What is the reactive capacitance and the instantaneous voltage across the capacitor A. Xe = 8.00 x 104 Q, vc = 2.00 x 10-5 V cos [(800 rad/s) t- T/2] B. Xc = 8.00 x 104 0, vc = 2.00 x 105 V cos [(800 rad/s) t + n/2] C. Xe =1.25 x 103 Q, vc = 31.2 V cos [(800 rad/s) t+ T/2] D. Xc =1.25 x 103 Q, vc = 31.2 V cos [(800 rad/s) t- n/2]

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter33: Inductors And Ac Circuits

Section: Chapter Questions

Problem 52PQ

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