eli5 two items in microwave take longer than just one?

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Why is it if I microwave one frozen burrito at the recommended time it heats up normally, but when I microwave two of them it doesn’t heat the same? And takes longer?

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Anonymous 0 Comments

https://en.wikipedia.org/wiki/Conservation_of_energy

The microwaves don’t just spontaneously create heat energy in the burrito. The microwave energy is being *transformed* into heat. Twice the burritos means twice the energy needed.

(This is a simplification, so just doubling the time probably won’t work.)

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