this post was submitted on 12 Oct 2023
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A misconception about microwaves is that they need around 1000W to actually do sonething, anything lower than 800 makes the waves completely ineffective. When you turn your microwave to 500W, what it actually does is lie to you while microwaving only half of the time instead by cycling on and off. You can usually hear this change in the sound it makes cause it will switch between the 1kW and the ventilator. ๐
Pretty sure everyone knows that the power setting on the microwave just changes the duty cycle of the magnetron. I've never seen a microwave specify wattage when selecting power, usually 1-10 or 1-100, no lies involved. What it does is allows the heat more time to evenly distribute through your food while cooking with the same amount of energy. That super hot bowl and tepid soup won't have as much of a difference when it takes twice as long to cook. Hot spots don't get a chance to get as hot. Psychologically it's easier too because let's be honest, no one's waiting 5 minutes after that timer goes off for the heat to settle
There are microwaves which modulates power, but they're rare