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What is the shortest time required for a 4.3-krad/s sinusoid to increase from two-fifths to four-fifths of its peak value ? CHOICES: A. 120 s B. 140 s C. 160 s D. 180 s E. NOTA

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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Question

1. What is the shortest time required for a 4.3-krad/s sinusoid to increase from two-fifths to four-fifths of its peak value ?

CHOICES:

A. 120 s

B. 140 s

C. 160 s

D. 180 s

E. NOTA

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