My Sony TV (bought in 2012) only goes into "proper" standby after 7.5 minutes. Presumably in case the user changes his mind and wants to turn it on again. The USB sockets (one of which I use to power an LED strip behind it) remain powered up.
It's the lack of attention to details like this that leads to talk of "zombie devices".
It's more complicated than that with a single cup of hot water.
There is no wasted hot water when done in the microwave, there will always be some unused hot water with most kettles because most need more than just the cup of water in the kettle.
Most modern kettles have a flat plate element at the base of the kettle and can boil a single cup of water. Operated this way you possibly need to clean out the flaking limescale on a regular basis.
alan_m snipped-for-privacy@admac.myzen.co.uk> wrote
None of mine do and they are all modern kettles. And those will lose heat thru the base of the kettle which is why not all modern kettles are done like that, particularly the ones you just lift off the base that supplys electricity to the element.
All the kettles that I've seen that lift off the supply base have flat plate printed elements. They allow a very small amount of water to be boiled.
ROFLMAO
None of mine do.
But waste heat thru the base.
What does "50MW a day" mean?
Strange that when I boil a mug of water in my kettle the base remains remarkably cool! The plastic sides of the kettle above the element are warm to hot but not the base. Perhaps they have come up with a novel idea of building some insulation into the kettle beneath the element? Perhaps because the element has such a large surface area that boils water so fast that the base of the kettle hasn't got time to heat up before you use the cup of water?
hand-cranked radios are still on sale
Out of interest I plugged ny Panasonic inverter combi-microwave into a power meter and it uses about 0.3 KwH over a 24 hour period when used for cooking veg (potato, sliced carrots, leeks) and maybe heating some liquids a couple of times a day.
Today I warmed up a Higgidy pie that needed 25 minutes at 200C and it used 0.48 KwH of power. On standby it uses 1w.
And boiling 1.5l of water and not poring it out for 5 minutes the base remains cool.
Any FM radio will use less power than a DAB one.
Possibly because there's nothing on FM you want to listen to of course....
Andy
My little FM radio runs on a couple of AA batteries that seem to last for 6+ months.
My postable DAB radio has 10 rechargeable AA size batteries that last for 8 to 10 hours - albeit the radio is now a few years old.
Well I prefer FM because I object to listening to bubbling mud if I try and listen to the same program on DAB.
get a proper aerial
And AM even less.
As a youngster starting work, I bought an AM radio kit. In 1962. A PP9 did about 2 years on that, used every day. 750 mW output to a 7x4 speaker, so sounded quite reasonable.
and a crystal set, none at all.
Except this (although it is both DAB and FM):
DAB reception Approx. 17 hours (using Sony (LR6SG) alkaline batteries) Approx. 7 hours (using Sony (NH-AA) Ni-MH 1,000 mAh batteries)
FM reception Approx. 17 hours (using Sony (LR6SG) alkaline batteries) Approx. 7 hours (using Sony (NH-AA) Ni-MH 1,000 mAh batteries)
My DAB radio works off a usb charger, so when away from the mains I use a mid-capacity (&rechargable) usb power brick. Not internal, but saves faffing about with lots of AA's.
#Paul
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