Re: A question about LCR circuits

• To: tesla-at-poodle.pupman-dot-com
• Subject: Re: A question about LCR circuits
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Fri, 16 May 1997 00:25:06 -0500
• Approved: tesla-at-stic-dot-net

Subject:      Re: A question about LCR circuits
       Date:  Fri, 16 May 1997 07:54:04 +1200
       From:  "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
Organization:  Wellington Polytechnic, NZ
         To:   tesla-at-pupman-dot-com


John,
       I missed something in my last reply....
<snip>
>   As Z = sqrt(L/C)  this gives       Q = Z/R = cos A 

Error, error!   sqrt(L/C) = X, _not_ Z. Impedance takes resistance 
into account as well.  X is a purely reactive quantity.

Malcolm
<snip>

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