1. For each following load voltage and current pair, find the corresponding power factor and average power absorbed: a. v = 277√2 sin (377t + 30) V, i= 5.1 √2 sin (377t-10) A b. v = 679 sin (377t +50) V, i= 13 cos (377t-10) A c. v=-170 sin (377t-30) V, i= 8.1 cos (377t +30) A 2. What power is absorbed by a circuit that has an input admittance of 0.4 + j0.5 S and an input current of 30 A?
1. For each following load voltage and current pair, find the corresponding power factor and average power absorbed: a. v = 277√2 sin (377t + 30) V, i= 5.1 √2 sin (377t-10) A b. v = 679 sin (377t +50) V, i= 13 cos (377t-10) A c. v=-170 sin (377t-30) V, i= 8.1 cos (377t +30) A 2. What power is absorbed by a circuit that has an input admittance of 0.4 + j0.5 S and an input current of 30 A?
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
Chapter2: Fundamentals
Section: Chapter Questions
Problem 2.7MCQ
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