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Re: HELP!! Need answers for test!!!

Subject: Re: HELP!! Need answers for test!!!
From: Frank Olson <Use_the_email_links@xxxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 10 Dec 2005 20:30:48 GMT
Newsgroups: alt.security.alarms
References: <1134225788.665550.231080@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <vgCmf.13381$7r6.24@trnddc07> <1134230554.622109.98820@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <dneum7$8pri$1@xxxxxxxxxxxxxxxxx> <o8Emf.86172$Eq5.55760@pd7tw1no> <dnf3hr$8ru3$1@xxxxxxxxxxxxxxxxx> <uBGmf.42057$S93.983376@xxxxxxxxxxxxxxxxxxx>

petem wrote:
> I do not agree and this link will say the same
>
> http://www.answers.com/topic/resistor
>
> a resistor is limiting current not voltage

They're wrong.  A resistor drops voltage and is a voltage limiting
device.  If you (for instance) use a variable resistor to control the
speed of a fan (or light), the current remains the same regardless of
the setting.  The only thing you're doing is reducing the voltage to the
load.

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- Re: HELP!! Need answers for test!!!
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