magnetic field
เว็บไซต์ magnetic field Moving magnetic fields pull and push electrons Metals such as copper and aluminum have electrons that are loosely held Moving a magnet around a coil of wire, god of blackfield The Source of Magnetic Fields A magnetic field can be created by running electricity through a wire All magnetic fields are created by moving charged
magnetic field 2) A second current or charge responds to the magnetic field and experiences a magnetic force 1 Magnetism Permanent magnets: exert forces on each All magnetic objects produce invisible lines of force that extend between the poles of the object Earth is similar to a giant bar magnet with magnetic field Magnetic fields that surpass about a billion Gauss are so strong that they compress atoms to tiny needles, destroying the ordinary chemical
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