Jeff Layman Wrote in message:
On 21/04/17 12:23, NY wrote:

It's the same with kettles. It takes a fixed amount of energy to boil a
given amount of water, so if you reduce the power, the kettle must be left
on longer to boil that water - no saving of energy and certainly no saving
of time (quite the reverse).

Lower wattage kettles use *more* energy to boil the same volume of
water, because kettles aren't 100% efficient.

Oooh you may have woken the "thermodynamic efficiency" fairies up
with that one.... :-D
--
Jim K


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