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80. A series circuit with one branch of R = 60 and a single unknown element in the other branch has the following applied voltage and current, e = 145 sin(300t+50°) V and I = 8.1 cos(300t -14.8") A. The unknown element is a. L = 0.057 H b. L=0.048 H c. C=198 µF d. C = 157 µF

80. A series circuit with one branch of R = 60 and a single unknown element in the other branch has the following applied voltage and current, e = 145 sin(300t+50°) V and I = 8.1 cos(300t -14.8") A. The unknown element is a. L = 0.057 H b. L=0.048 H c. C=198 µF d. C = 157 µF

Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter21: Resistive-capacitive Series Circuits
Section: Chapter Questions
Problem 6RQ: A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating...
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80. A series circuit with one branch of R = 60 and a single unknown element in the other branch has the following applied voltage and current, e = 145 sin (300t+50°) V and I = 8.1 cos(300t -14.8") A. The unknown element is c. C=198 µF a. L=0.057 H b. L = 0.048 H d. C=157 μF 82. A series RLC is connected across a 120 V, 50 Hz source and draws a leading current of 7.5 A. Determine the voltage across the inductor at resonance if R=5Q and C=150 µF. a. 120.4 V b. 144.5 V c. 271.3 V d. 316.2 V
Transcribed Image Text:80. A series circuit with one branch of R = 60 and a single unknown element in the other branch has the following applied voltage and current, e = 145 sin (300t+50°) V and I = 8.1 cos(300t -14.8") A. The unknown element is c. C=198 µF a. L=0.057 H b. L = 0.048 H d. C=157 μF 82. A series RLC is connected across a 120 V, 50 Hz source and draws a leading current of 7.5 A. Determine the voltage across the inductor at resonance if R=5Q and C=150 µF. a. 120.4 V b. 144.5 V c. 271.3 V d. 316.2 V
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