A

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Q. The method of magnetisation is:

  • (A) Hammering a magnet
  • (B) Heating a magnet
  • (C) Passing direct current through it
  • (D) Passing alternating current through it
  • Correct Answer - Option(A)
  • Views: 9
  • Filed under category Physics
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Explanation by: Admin
Hammering a rod will either allow it to become slightly magnetic if laid along a magnetic field (i.e.North - South) or demagnetise it if laid across the field lines (i.e. East-West). A current passing through a coil will produce a magnetic field.

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