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List three methods of producing magnetic fields. |
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Answer» Solution :Three methods of producing magnetic field are as follows: (i) Magnetic field can be produced by placing a permanent bar magnet or a HORSE shoe magnet at the place, where magnetic field is REQUIRED. (ii) Magnetic field is produced AROUND a current-carrying straight conductor or a current-carrying circular coil. (iii) A very good method to produce magnetic field is due to FLOW of current in a solenoid. |
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