No Stupid Questions

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This community is for people to ask questions they feel stupid for not knowing the answer or how to find the answer. "How do I not already know this?"

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electrodynamica@mander.xyz

Why are coils so good at dispersing energy? (mander.xyz)

submitted 2 years ago by electrodynamica@mander.xyz to c/nostupidquestions@mander.xyz

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For example, there is a cable from my monitor to my desktop that when plugged in straight is able to be disturbed or dislodged from my dog walking past it and the hairs on the top of his tail touch it with micronewtons of force. Yet if I coil it just 3 turns over 3 feet length it can withstand 10000 times as much force before becoming loose.

Another thing I'm reminded of is the coils in phone cords back when everything was wired with handsets. This must be a well known principal but I don't ever remember learning it.

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