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Re: [Spridgets] Relays

To: Bill L <pythias@pacifier.com>, spridgets@autox.team.net
Subject: Re: [Spridgets] Relays
From: "Dave G." <kk7ss@verizon.net>
Date: Mon, 16 Feb 2009 08:16:01 -0800
Bill,

Just to confuse the issue... (Devil's Advocate sort of thing!)

If you are just looking at Voltage and Current..
Ohms law states  Power = Volts x Amps...
Doubling the voltage  doubles the power...

If you are looking at Voltage and the  Resistance of the wiring
Ohms'Law states Power = Volts x Volts x Ohms (Resistance).
Doubling the voltage quadruples the power..

A 60W 12V auto headlight is about 3 Ohms when hot..

So you are *both* right, you just didn't statye you frame of 
reference!!

On 15 Feb 2009 at 22:12, Bill L wrote:
>>      Doubling the voltage makes 4 times the power.


--
Dave G.   KK7SS
'65 MK III Sprite in Richland, WA

If I wake up in the morning, and I hurt, it means that I'm still 
alive !!
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