When an electric current passes through a metal wire, a magnetic field forms around that wire (see diagram at right). Likewise, a wire passing through a magnetic field creates an electric current ...
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NASA Tracks a Mysterious Weak Spot Growing in Earth’s Magnetic Field, Describe It as a ‘Dent’ or ‘Pothole'Understanding this is crucial not only for protecting modern technology but also for uncovering deeper insights into the ...
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