One obviously has inefficiencies or the perpetual motion machine would be
everywhere.

Brian

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"whisky-dave" wrote in message
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On Thursday, 3 October 2019 14:29:30 UTC+1, Commander Kinsey wrote:
Why do LEDs generate heat? I want a technical answer not "because they're
inefficient".

That is the technical answer just lioke why does a wire get hot when
curremnt passes through it.

And will we ever make them more efficient?

Probably.