390 23. The rms value of an AC voltage is defined by H v²(t)df where I' is the period of the waveform (a) A voltage is given by v(r) = l'cos (eor). Show that v. and is inde- Chapter 11: Symbolic Math pendent of ex. (The relationship between the period 7 and the radian fre- quency co is T = (b) A voltage is given by v(1) = 2.5 cos(350r) + 3 V. Determine v

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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390
23. The rms value of an AC voltage is defined by
where I' is the period of the waveform.
(a) A voltage is given by v(t) = cos(et). Show that v
pendent of . (The relationship between the period 7 and the radian fre-
quency (o is T =
(b) A voltage is given by v(r) = 2.5 cos(3501) + 3 V. Determine v
and is inde-
Chapter 11: Symbolic Math
Transcribed Image Text:390 23. The rms value of an AC voltage is defined by where I' is the period of the waveform. (a) A voltage is given by v(t) = cos(et). Show that v pendent of . (The relationship between the period 7 and the radian fre- quency (o is T = (b) A voltage is given by v(r) = 2.5 cos(3501) + 3 V. Determine v and is inde- Chapter 11: Symbolic Math
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