The Earth’s magnetic field measures about 0.5 gauss, a small iron magnet has a field of about 100 gauss, a small neodymium-iron-boron (NIB) magnet has a field of about 2,000 gauss, a big electromagnet has a field of about 15,000 gauss, and the surface of a neutron star has a field of about 1012 gauss[3].
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