On Mon, 2005-03-07 at 16:27 -0800, Brian Mury wrote: > Of course an electric heater is 100% efficient. A lightbulb is not > 100% > efficient - it's job is to produce light, but it has loss in the form > of > heat. An electric heater's job is to produce heat - and it has loss in > the form of what? Heat? Every bit of energy consumed by an electric > heater generates heat. All of it. Every last bit. Sorry Brian - I think you need to do some homework on this one. - Anything which gives out some light is giving out less heat. - Anything which gives out some noise is giving out less heat (thou this depends _marginally_ on the surface the sound hits) - A computer screen and several components convert electricity to electro-magnetic fields - All those capacitors also loose energy - I'm not sure what it is lost as, maybe heat - possibly chemical changes - A computers fan is actively using electricity to _cool_ space. It's never a good idea to claim anything is 100% good at anything. Electronics and thermodynamics are a bit more complicated than at first sight. Duncan
