From bar magnets to the magnetic field around a current carrying wire, the source of all magnetism is ________.a)electrical conductorsb)electrical insulators c)tiny pieces of irond)the orientation and motion of electronse)tiny domains of aligned protons
Answer & Explanation
Electric current or motion of electron is source of all magnetism. Other source of magnetism is rotation of electron and revolution of electron around the nucleus.
So, d) is correct answer.
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