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From: ken@rochester.arpa (Ken Yap)
Newsgroups: sci.electronics
Subject: Re: Superconducting Ohm's Law Question
Message-ID: <318@sol.ARPA>
Date: Fri, 5-Jun-87 13:27:01 EDT
Article-I.D.: sol.318
Posted: Fri Jun  5 13:27:01 1987
Date-Received: Tue, 9-Jun-87 07:15:06 EDT
References: <204600001@prism>
Reply-To: ken@rochester.UUCP (Ken Yap)
Organization: U of Rochester, CS Dept, Rochester, NY
Lines: 8

Ohm's law relates current, resistance and dissipative power.  However,
it is only part of the story.  The energy equation includes other paths
for the flow of energy, such as radiation.  Take for example, a LED.
This is important if the EM field is used to do some work, for example
a radio transmitter or an electromagnet.  The most general treatment
would have to go to Maxwell's equations.

	Ken