A magnetic field has an influence on a compass. It moves the needle away. Basically, it creates an amount of error. This can affect us. We try to calibrate for this compass error. For example, the error could be caused by a giant deposit of iron.
A magnetic field has an influence on a compass. It moves the needle away. Basically, it creates an amount of error. This can affect us. We try to calibrate for this compass error. For example, the error could be caused by a giant deposit of iron.
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