12. a Derive the equation for the RMS voltage in terms of peak voltage for a cosine wave. That is, find VRMS for v=Vm cos(cot). VRMS= b. If a house circuit measured 220 VRMS, what is the instantaneous peak voltage, Vm?

12. a Derive the equation for the RMS voltage in terms of peak voltage for a cosine wave. That is, find VRMS for v=Vm cos(cot). VRMS= b. If a house circuit measured 220 VRMS, what is the instantaneous peak voltage, Vm?

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

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.4P

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Question

12. a Derive the equation for the RMS voltage in terms of peak voltage for a cosine
wave. That is, find VRMS for v = Vm cos(cot).
VRMS =
b. If a house circuit measured 220 VRMS, what is the instantaneous peak voltage,
Vm?
Vm=

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