Phasors and alternating current. A 200 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

Phasors and alternating current. A 200 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

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter17: Current And Resistance

Section: Chapter Questions

Problem 10CQ: Power P0 = I0 V0 is delivered to a resistor of resistance R0. If the resistance is doubled (Rnew =...

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Question

Phasors and alternating current. A 200 resistor is
connected in series with a 4.00 uF 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
O A. X = 8.00 x 1040, vc = 2.00 x 10-5 V cos [(800
rad/s) t-π/2]
O B. X = 8.00 x 10-40, vc = 2.00 x 10-5 V cos [(800
rad/s) t + π/2]
O C. XC -1.25 x 10³ 0, vc = 31.2 V cos [(800 rad/s) t
+ π/2]
O D. X 1.25 x 103 0, vc = 31.2 V cos [(800 rad/s) t-
TT/2]

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