what are the different types of method to produce magnetic field
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Three methods of producing magnetic fields are as follows: (a) Magnetic field can be produced by placing a permanent magnet or a horse-shoe magnet at the place, where magnetic field is required. (b) Magnetic field is produced around a current carrying straight conductor or a current carrying coil.
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Magnetic field can be produced by placing a bar magnet or a horse shoe magnet where the magnetic field needs to be produced.
A iron can be placed near a current carrying conductor to make a temporary electro magnet.
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