Write the 3 ways to produce magnetic field
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Explanation:
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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Explanation:
Three methods to producing magnetic field lines :
1. Permanent magnet
2. Electromagnets
3. Earth's magnetic field
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