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I was bemused by this exchange concerning what was once widely known as 'Joule heating',Why is the formula P=I^2R used to describe thermal power loss in resistorI have just come across an extremely likely explanation for this usage.
instead of P=IV or P=V^2/R? Is this just the textbook author's choice of
formula?
-Tony
--
Tony Wayne /snip/
This is called the Joule-Lenz law or Joule's first law. /snip/
John M. Clement