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[Phys-l] Thermal heating in a resistor?

From: Tony <physixdude@comcast.net>
Date: Sat, 15 May 2010 11:12:03 -0400

Why is the formula P=I^2V used to describe thermal power loss in resistor
instead of P=IV or P=V^2/R? Is this just the textbook author's choice of
formula?
-Tony
--
Tony Wayne
Albemarle High School
Physics Teacher
Science Department Chair
twayne@k12albemarle.org
http://www.mrwaynesclass.com
-
Those who can do.
Those who understand, teach.

Follow-Ups:
- Re: [Phys-l] Thermal heating in a resistor?
  - From: Brian Whatcott <betwys1@sbcglobal.net>
- Re: [Phys-l] Thermal heating in a resistor?
  - From: Herbert Schulz <herbs@wideopenwest.com>
- Re: [Phys-l] Thermal heating in a resistor?
  - From: John Denker <jsd@av8n.com>
- Re: [Phys-l] Thermal heating in a resistor?
  - From: "John Clement" <clement@hal-pc.org>
- Re: [Phys-l] Thermal heating in a resistor?
  - From: "John Clement" <clement@hal-pc.org>

References:
- Re: [Phys-l] Cramster et al.
  - From: "John Clement" <clement@hal-pc.org>

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