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RMS value of voltage

  1. Jan 22, 2007 #1
    The question is "starting from v(t) = Vm cos(wt+theta), show analytically that the RMS value of v(t) is v(t)=Vm/sqrt(2) for any w or theta."

    I'm not really sure how to begin this. Do I start by taking the integral?
  2. jcsd
  3. Jan 22, 2007 #2
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