Shown in the figure below from 0
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 2.1MCQ: The rms value of v(t)=Vmaxcos(t+) is given by a. Vmax b. Vmax/2 c. 2Vmax d. 2Vmax
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![Shown in the figure below from 0 <t < 20 ms is an analog signal r. (t) sampled at a rate F, to
get æ[n]. Determine the period N of the discrete-time signal r[n].
3
-1
-3
0.5
1
1.5
2
t
10-2
O a. 2
O b. 5
O c. 6
O d. 3
О е. 4
O f. 7
Given the discrete-time sequence
= COS
Find two different continuous-time signals that would produce this sequence when sampled at a
frequency of f, = 120 Hz.
a. cos(40nt) and cos(520nt)
O b. cos(160nt) and cos(640nt)
Oc. cos(40nt) and cos(200nt)
O d. cos(80nt) and cos(320nt)
O e. cos(80nt) and cos(160nt)
O f. cos(40nt) and cos(80nt)
1.
(u)x (1)"x](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9a544645-1105-4111-9b63-efcac336c659%2F62d02326-ded9-4329-bc61-3a7183923dc2%2Fhqkditf_processed.png&w=3840&q=75)
Transcribed Image Text:Shown in the figure below from 0 <t < 20 ms is an analog signal r. (t) sampled at a rate F, to
get æ[n]. Determine the period N of the discrete-time signal r[n].
3
-1
-3
0.5
1
1.5
2
t
10-2
O a. 2
O b. 5
O c. 6
O d. 3
О е. 4
O f. 7
Given the discrete-time sequence
= COS
Find two different continuous-time signals that would produce this sequence when sampled at a
frequency of f, = 120 Hz.
a. cos(40nt) and cos(520nt)
O b. cos(160nt) and cos(640nt)
Oc. cos(40nt) and cos(200nt)
O d. cos(80nt) and cos(320nt)
O e. cos(80nt) and cos(160nt)
O f. cos(40nt) and cos(80nt)
1.
(u)x (1)"x
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