Question about electricity
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Question about electricity

[From: ] [author: ] [Date: 11-06-08] [Hit: ]
=2 x 120 x √2 = 339.c.......
A standard electrical outlet provides a 120-V, 60-Hz sinewave. Determine the following:

(a) Time required for one cycle

(b) Vp-p (Hint Vrms = 120 V, find VP first)

(c) Vav

Thanks in advance. :)

-
a. =1/60 sec = 16.667 msec.
b. =2 x 120 x √2 = 339.4 V
c. = 2/π x √2 x 120 = 108 V
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