Would a compass with unmagnetized needle work?
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We know that the needle that is used in a compass is a permanently magnetized ferromagnetic material and commonly steel is used. If we used an unmagnetized iron needle instead, would it still align with Earth's magnetic field lines? If yes, how?
magnetic-fields ferromagnetism
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asked 4 hours ago
physicsguy19
731 1 16
Why would you think “yes”?