In article ,
ARWadsworth wrote:
With an immersion heater pretty well all the input energy is converted to
heat. If it isn't - where does it go?

Some of the energy makes noise. It must be a fraction of 1% but I can
usually hear them when they are switched on. The rest makes heat.

Yes. I'd guess it also produces light of a non visible frequency too. But
combining both will still only amount to a tiny percentage.

--
*24 hours in a day ... 24 beers in a case ... coincidence? *

Dave Plowman London SW
To e-mail, change noise into sound.