Re: Ohm's Law

[Robert Cohen <Robert.Cohen@PO-BOX.ESU.EDU>]

If R=V/I defines the resistance, why do you call it a law?

____________________________________________
Robert Cohen; rcohen@po-box.esu.edu; http://www.esu.edu/~bbq
Physics, East Stroudsburg Univ, E. Stroudsburg, PA 18301

> -----Original Message-----
> From: Bob Sciamanda [mailto:trebor@VELOCITY.NET]
> Sent: Friday, February 08, 2002 10:20 AM
> To: PHYS-L@lists.nau.edu
> Subject: Re: Ohm's Law
>
>
> "that the resistance is independent of the voltage [temp, etc held
> constant]" is a statement about a property of certain
> particular materials.
> For me,  R=V/I merely defines the resistance of a current
> path, in many
> useful circumstances; the value of that R may be a function
> of many things,
> including V.
>
> Bob Sciamanda (W3NLV)
> Physics, Edinboro Univ of PA (em)
> trebor@velocity.net
> www.velocity.net/~trebor