- Given the voltage o(t) = 120 cos (314t + a/4) V, determine the frequency of the voltage in Hertz and the phase angle in degrees. %3D (Answer: 50 Hz; 45°)
- Given the voltage o(t) = 120 cos (314t + a/4) V, determine the frequency of the voltage in Hertz and the phase angle in degrees. %3D (Answer: 50 Hz; 45°)
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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![1- Given the voltage o(1) = 120 cos (314t + /4) V, determine the frequency of
the voltage in Hertz and the phase angle in degrees.
(Answer: 50 Hz ; 45°)
2- Three branch currents in a network are known to be
1(1) = 2 sin (377t + 45°) A
iz(t) = 0.5 cos (377t+ 10°) A
is(1) = - 0.25 sin (377t + 60°) A
Determine the phase angles by which
a) i(t) leads i2(1)
b) i(1) leads is(1).
[Answer: a) in leads iz by -55°; b) i, leads is by 165°]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F227241c1-0af1-46c9-9f84-9e1a7c8d9c69%2Fbc611dfb-61da-4bcd-bbad-6807642bcf7c%2Fibcnfu7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1- Given the voltage o(1) = 120 cos (314t + /4) V, determine the frequency of
the voltage in Hertz and the phase angle in degrees.
(Answer: 50 Hz ; 45°)
2- Three branch currents in a network are known to be
1(1) = 2 sin (377t + 45°) A
iz(t) = 0.5 cos (377t+ 10°) A
is(1) = - 0.25 sin (377t + 60°) A
Determine the phase angles by which
a) i(t) leads i2(1)
b) i(1) leads is(1).
[Answer: a) in leads iz by -55°; b) i, leads is by 165°]
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