Calculate value of A (coefficient in v(t)) in voltage gen.

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  • #1
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Homework Statement



Consider an ideal voltage generator. If an ideal voltmeter is connected to the generator calculate the value of A (coefficient in v(t))

given:

v(t)=|A+BAcos(377t)|

V given
 

Answers and Replies

  • #3
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Hmmm it isn't specified but I'm guessing the voltmeter is AC.
 
  • #4
rude man
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If it's AC, is it calibrated for sinusoidal inputs, or rms AC, or ??

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  • #5
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I believe it is calibrated for sinusoidal inputs.
 
  • #6
rude man
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I believe it is calibrated for sinusoidal inputs.

So assume a meter that reads only + voltages (it reads negative voltages as zero), then passes the voltage thru a low-pass filter of appropriate gain, and then into a dc voltmeter.
 

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