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It’s quicker (reddthat.com)

submitted 3 months ago by [email protected] to c/[email protected]

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[–] [email protected] 3 points 3 months ago (11 children)

Wait how does the microwave go faster when it's also on half the supply voltage?

[–] [email protected] -2 points 3 months ago* (last edited 3 months ago) (9 children)

Because resistive heating is inefficient. You need to pump a lot of power through to get a lot of heat. A microwave does not use resistive heating and works on a completely different principle and therefore the amount of power available is much less importance.

[–] [email protected] 10 points 3 months ago (4 children)

Resistive heating inefficient? What is the energy wasted as, if not heat?

[–] [email protected] 2 points 3 months ago

don't the coils glow slightly? I guess light would be mostly wasted energy, no?

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