An AC supply voltage is represented by v = 325 Sin wt. Three loads are connected in paral and the currents through these loads respectively are: = 8.48 Sin wt 12 = 4.24 Sin (wt - 15°) I3 = 6.36 Sin (uwt + 90°) !! Which of the following is the circuit total power factor? O a. 0.92 leading O b. 0.75 Leading O c. 0.75 Lagging O d. 0.92 lagging Clear my choice

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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Nust
cal Engineering Fundamentals
urses / EEF511S / EEF511S Exam 2 08072021
An AC supply voltage is represented by v = 325 Sin wt. Three loads are connected in parallel across the supply,
and the currents through these loads respectively are:
1, = 8.48 Sin wt
2 = 4.24 Sin (wt - 15°)
ion
I3 = 6.36 Sin (wt + 90°)
Which of the following is the circuit total power factor?
O a. 0.92 leading
O b. 0.75 Leading
O c. 0.75 Lagging
O d. 0.92 lagging
Clear my choice
Next page
R
Transcribed Image Text:Nust cal Engineering Fundamentals urses / EEF511S / EEF511S Exam 2 08072021 An AC supply voltage is represented by v = 325 Sin wt. Three loads are connected in parallel across the supply, and the currents through these loads respectively are: 1, = 8.48 Sin wt 2 = 4.24 Sin (wt - 15°) ion I3 = 6.36 Sin (wt + 90°) Which of the following is the circuit total power factor? O a. 0.92 leading O b. 0.75 Leading O c. 0.75 Lagging O d. 0.92 lagging Clear my choice Next page R
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