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Can an impedence vector diagram be used to find the phase angle in rc circuits?
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Can an impedence vector diagram be used to find the phase angle in rc circuits?
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erickejah
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Can an impedence vector diagram be used to find the phase angle in rc circuits?
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on:
10/12/2008 20:15:29 »
Why I cannot use a impedance vector diagram to calculate the phase angle in a of a parallel RC circuit?
[diagram=383_0]
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Last Edit: 11/12/2008 09:55:50 by chris
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lyner
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Can an impedence vector diagram be used to find the phase angle in rc circuits?
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Reply #1 on:
11/12/2008 11:10:15 »
If
V = ZI (which it does),
where Z is the impedance,
then you definitely can tell the relative phase between current and voltage in a circuit. I assume that's what you mean.
The phase will change from +90 to -90 degrees as you vary the frequency and passes through zero at resonance - when the shunt X will be infinite, for a parallel circuit.
In a series circuit, the series X will be zero at resonance.
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Last Edit: 11/12/2008 11:11:57 by sophiecentaur
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