Explain about magnetic effect of current used in field of permanent magnet.
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if u use plastic scale and rub it on your head and take the same comb near to the peice of paper u see that peices of paper attract towards it this is magnetic effect of current as I think
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A moving charge in a magnetic field experiences a force perpendicular to its own velocity and to the magnetic field. A permanent magnet′s magnetic field pulls on ferromagnetic materials such as iron, and attracts or repels other magnets. ... Rotating magnetic fields are used in both electric motors and generators.
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