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A.C theory help!!!!

#1
06-01-13, 09:29 AM
Member
Join Date: Jun 2013
Posts: 2
A.C theory help!!!!

1) A sinusoidal waveform has a peak voltage of 340V at a frequency of 50Hz.
Calculate the:

(i) r.m.s. value
(ii) periodic time

#2
06-01-13, 09:53 AM
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Join Date: Mar 2006
Location: USA
Posts: 32,640

#3
06-01-13, 10:31 AM
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Join Date: Oct 2012
Location: NJ - USA
Posts: 43,439
1) A sinusoidal waveform has a peak voltage of 340V at a frequency of 50Hz.
Calculate the:

(i) r.m.s. value Vpeak x 0.707 = Vrms or 340v x 0.707 = 240.38
(ii) periodic time

Can't give you any more or Ray will call me a cheater

#4
06-01-13, 12:58 PM
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Join Date: Jan 2007
Location: Des Moines, IA
Posts: 1,127
^^ sounds about right to me. Hey, he might be studying for a ham test or something. Not blatantly cheating on schülwerk

But Kris, you may want to select a forum closer to home. We're on 60Hz over here and have conquered communism. At least we did at one point,

#5
06-01-13, 01:30 PM
Member
Join Date: Jun 2013
Posts: 2
sorry, i am not in a test rite now..
i have an electrical exam next week friday so i am doing past paper questions and this was 1 of the questions in it.

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