eli5 Why Earth magnetic field doesnot affect electric appliances especially at poles where field is greatest
In: 1
Think how much pull a tiny neodymium magnet has, get a pair of those much bigger than a pair of coins, and they can cause mild pinch injuries if you get in the way of them when they want to come together.
Meanwhile the Earth’s magnetic field is so slight that you need a very carefully balanced and very light needle in a sealed environment so it doesn’t get affected by other influences, and can show the effect the Earth’s magnetic field has on it.
TL:DR; Its effect is very very tiny.
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