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
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.61P
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