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I. Multiple Choice: (x4) 1. The impedance of an RL series circuit is given by a. R+ XL b. R²+X₁² c. (R²+X₁²) 1/2 d. none of the above 2. In an RL series circuit, line current Leads the applied voltage a. b. c. d. 3. In an RL series circuit, the phase difference between applied voltage and circuit current will increase if. XL is increased R is increased Lags behind the applied voltage Is in phase with the applied voltage Zero a. b. c. XL is decreased d. Supply frequency is decreased 4. The power consumed in an ac circuit is given by a. Valm b. (VI/2)cose c. IZcose d. Vm Im cose 5. The power factor of an ac circuit is given by. a. XUR b. Z/R c. R/XL d. R/Z 100 and X₁ 102 The

I. Multiple Choice: (x4) 1. The impedance of an RL series circuit is given by a. R+ XL b. R²+X₁² c. (R²+X₁²) 1/2 d. none of the above 2. In an RL series circuit, line current Leads the applied voltage a. b. c. d. 3. In an RL series circuit, the phase difference between applied voltage and circuit current will increase if. XL is increased R is increased Lags behind the applied voltage Is in phase with the applied voltage Zero a. b. c. XL is decreased d. Supply frequency is decreased 4. The power consumed in an ac circuit is given by a. Valm b. (VI/2)cose c. IZcose d. Vm Im cose 5. The power factor of an ac circuit is given by. a. XUR b. Z/R c. R/XL d. R/Z 100 and X₁ 102 The

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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I. Multiple Choice: (x4) 1. The impedance of an RL series circuit is given by a. R+ XL b. R²+X₁² c. (R²+X₁²) 1/2 d. none of the above 2. In an RL series circuit, line current Leads the applied voltage a. b. Lags behind the applied voltage Is in phase with the applied voltage Zero C. d. 3. In an RL series circuit, the phase difference between applied voltage and circuit current will increase if. XL is increased a. b. R is increased c. XL is decreased d. Supply frequency is decreased 4. The power consumed in an ac circuit is given by a. V In b. (VI/2)cose C. IZcose d. Vm Im cose 5. The power factor of an ac circuit is given by. XUR a. b. Z/R c. R/XL d. R/Z M 102. The 6. In an RL series circuit, R-102 and XL 1 phase angle between applied voltage and circuit current is a. 45⁰ b. 30⁰ C. 60⁰ d. 36.8⁰ 7. For greater accuracy, the value of 0 (phase angle) should be determined from a. cose b. sine c. tane d. sece 8. The power factor of a de circuit is a. 0 b. 1 C. -1 d. same in-ac-circuit 9. An inductive circuit draws a line current of 10A. If the reactive component of the line current is 6A, then power factor of the circuit is. a. 0.6 lagging b. 0.857 lagging C. 0.5 lagging d. 0.5 leading
Transcribed Image Text:I. Multiple Choice: (x4) 1. The impedance of an RL series circuit is given by a. R+ XL b. R²+X₁² c. (R²+X₁²) 1/2 d. none of the above 2. In an RL series circuit, line current Leads the applied voltage a. b. Lags behind the applied voltage Is in phase with the applied voltage Zero C. d. 3. In an RL series circuit, the phase difference between applied voltage and circuit current will increase if. XL is increased a. b. R is increased c. XL is decreased d. Supply frequency is decreased 4. The power consumed in an ac circuit is given by a. V In b. (VI/2)cose C. IZcose d. Vm Im cose 5. The power factor of an ac circuit is given by. XUR a. b. Z/R c. R/XL d. R/Z M 102. The 6. In an RL series circuit, R-102 and XL 1 phase angle between applied voltage and circuit current is a. 45⁰ b. 30⁰ C. 60⁰ d. 36.8⁰ 7. For greater accuracy, the value of 0 (phase angle) should be determined from a. cose b. sine c. tane d. sece 8. The power factor of a de circuit is a. 0 b. 1 C. -1 d. same in-ac-circuit 9. An inductive circuit draws a line current of 10A. If the reactive component of the line current is 6A, then power factor of the circuit is. a. 0.6 lagging b. 0.857 lagging C. 0.5 lagging d. 0.5 leading
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