Physics 0625 · IGCSE · Simple phenomena of magnetism

Simple phenomena of magnetism — practice question

Which method is best for demagnetising a steel rod?

  • APass the rod through a coil connected to an a.c. supply.
  • BPass the rod through a coil connected to a d.c. supply.
  • CPlace the rod next to another magnet.
  • DStroke the rod with another magnet.

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