eli5 Why are 110v transformers so physically heavy?

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For instance, a computer inputs 230v and is capable of splitting into various lower voltages and remains light?

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Anonymous 0 Comments

Lots of copper. Cooper is dense. Dense is heavy.

A transformer works by having two coils. One that’s powered and produces an electromagnetic field. The other at a set distance so that it can take in the electromagnetic field being generated and produce a current.

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