signal is equal to its RMS value. Which of the following is the correct mathematical representation of the voltage signal? a) 10 cos(60t) b) 10 cos (120rtt) c) 14.14 cos(60t + Tt/4) d) 14.14 cos(120rtt + Tt/4)

signal is equal to its RMS value. Which of the following is the correct mathematical representation of the voltage signal? a) 10 cos(60t) b) 10 cos (120rtt) c) 14.14 cos(60t + Tt/4) d) 14.14 cos(120rtt + Tt/4)

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 2.10MCQ: The average value of a double-frequency sinusoid, sin2(t+), is given by (a) 1 (b) (c) Zero

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Question

A cosine wave voltage signal has a 10V RMS value and 60HZ frequency. Also at time, t=0, the value of the voltage
signal is equal to its RMS value. Which of the following is the correct mathematical representation of the voltage
signal?
a) 10 cos(60t)
b) 10 cos (120rt)
c) 14.14 cos(60t + T/4)
d) 14.14 cos(120rtt + Tt/4)

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