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Re: [Amps] resonance

To: Bill Turner <>,
Subject: Re: [Amps] resonance
From: Peter Chadwick <>
Date: Mon, 5 Jun 2006 20:20:16 +0200 (CEST)
List-post: <>
The only definition that holds up for both parallel and series cases (and multi 
branch cases, too) is that the applied V and I are in phase, i.e. the input to 
the circuit looks resistive. This definition holds over all values of Q, too.
XL = XC is a convenient approximation when Q is high (say, >20). But it doesn't 
necessarily readily apply to multiple branch circuits such as pi networks.
But that would be wrong answer if you were taking the Extra Class exam!
Peter G3RZP
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