20. A 100 V, balanced three-phase source has two single phase loads; The first load has an impedance of (5 + jX) ohms and connected across lines A and B. The sebond load is connected across B and C and has an impedance of (R - j2) ohms. Determine the values of R and X, if the current in line B is 25.932-102.37° A and the ratio of X to R is 1.5. A. 2 0, 3N B. 3Ω, 4.5 Ω C. 42, 6 2 D. 5Ω, 7.5 Ω
20. A 100 V, balanced three-phase source has two single phase loads; The first load has an impedance of (5 + jX) ohms and connected across lines A and B. The sebond load is connected across B and C and has an impedance of (R - j2) ohms. Determine the values of R and X, if the current in line B is 25.932-102.37° A and the ratio of X to R is 1.5. A. 2 0, 3N B. 3Ω, 4.5 Ω C. 42, 6 2 D. 5Ω, 7.5 Ω
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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Question
Pls explain solution well. Right answer is letter A
![A.
B. 2,589 VV
20. A 100 V, balanced three-phase source has two single phase loads, The first load has an
impedance of (5+ jX) ohms and connected across lines A and B. The sebond load is connected
across B and C and has an impedance of (R - j2) ohms. Determine the values of R and X, if the
current in line B is 25.932-102.37° A and the ratio of X to R is 1.5.
A. 2 2, 3 2
B. 3 2, 4.5 2
C. 4 2, 6 2
D. 5 N, 7.5 N
21. A 480 V, three-phase, three-wire, ACB sequence source supplies power to a combination of single
phase industrial loads. The line currents drawn from the source are: la = 352-42.5° A,
Ib = 60/165° A, Ic = 48238° A. However, it was found out that the instrument used in measuring
the current in line B is defective. What is the total power drawn from the source?
A. 15,593 W
%3D
%3D
B. 9,180 W.
C. 16,728 W
D. 24,000 W](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd3762528-b70f-41a9-b6c7-22ac1d3dcf1d%2F58e76ab3-6edb-4886-aa82-4c88b7c1c292%2F7sh5yxb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A.
B. 2,589 VV
20. A 100 V, balanced three-phase source has two single phase loads, The first load has an
impedance of (5+ jX) ohms and connected across lines A and B. The sebond load is connected
across B and C and has an impedance of (R - j2) ohms. Determine the values of R and X, if the
current in line B is 25.932-102.37° A and the ratio of X to R is 1.5.
A. 2 2, 3 2
B. 3 2, 4.5 2
C. 4 2, 6 2
D. 5 N, 7.5 N
21. A 480 V, three-phase, three-wire, ACB sequence source supplies power to a combination of single
phase industrial loads. The line currents drawn from the source are: la = 352-42.5° A,
Ib = 60/165° A, Ic = 48238° A. However, it was found out that the instrument used in measuring
the current in line B is defective. What is the total power drawn from the source?
A. 15,593 W
%3D
%3D
B. 9,180 W.
C. 16,728 W
D. 24,000 W
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