Household electrical voltages are typically quoted as either 110 V, 115 V. or 120 V However, these
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Household electrical voltages are typically quoted as either 110 V, 115 V. or 120 V However, these values do not represent the peak ac voltage. Rather. they represent what is known as the root mean square of the voltage. defined as
Where T = the period of the waveform, Vm is the peak voltage, and w = the waveform frequency (f = 60 Hz in North America).
(a) Perform the indicated integration, and show that for a sinusoidal voltage.
(b) Compute the pek voltages corresponding to the rms voltages of 110,115. And 120V.
Related Book For
Fundamentals of corporate finance
ISBN: 978-0470876442
2nd Edition
Authors: Robert Parrino, David S. Kidwell, Thomas W. Bates
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