List two methods of producing magnetic fields.

Answer:

A magnetic field is an invisible space around a magnetic object. A magnetic field is basically used to describe the distribution of magnetic force around a magnetic object.

Following are the methods of producing magnetic fields:

  • By using a permanent magnet we can produce the magnetic field and it can be visualized by spreading iron fillings on a white paper and keeping a magnet beneath the paper.
  • A current-carrying straight conductor produces the magnetic field.
  • Different types of conductors such as solenoid and circular loop can be used to see the presence of a magnetic field.

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