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[AMPS] Power Handling of Resistors

To: <amps@contesting.com>
Subject: [AMPS] Power Handling of Resistors
From: Wt8r@aol.com (Wt8r@aol.com)
Date: Wed, 8 Mar 2000 09:03:54 EST
In a message dated 3/7/00 11:22:45 PM Eastern Standard Time, 
jono@enteract.com writes:

> 
>  The amount of energy stored in the capacitor banks of a power supply that
>  has a voltage of 4000 Volts and 32 uF of capacitance is:
>  
>  J = (C*E^2)/2            source: Radio Handbook by Bill Orr 23rd ed. pg 2-7
>  
>  C is capacitance in Farads and E is voltage.
>  
>  So using plugging values of C = 32E-6, and E = 4000 into my handy-dandy Boy
>  Scout calculator, we get the following:
>  
>  J = (32E-6 * 16,000,000)/2
>  J = 512/2
>  
>  J = 256 Joules!
>  
>  So let's see:
>  
>  We've established the fact that 320 Joules into my resistor network will 
not
>  damage the resistors.
>  
>  Yet 256 Joules will destroy a tank circuit according to what you say.
>  
>  Glad I don't live in your universe.
>  
>  73,
>  
>  Jon
>  KE9NA
>  
------------------------------------------------------------------------------
-------------------------------

Anyone who has ever seen the results of such an arc discharge as I have 
described knows the Dr. Jon is ANAL RETENTIVE.

This is enuf time wasted on this foolishness.

Dave in Dayton, WT8R

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