Physics 0625 · IGCSE · Simple phenomena of magnetism

Simple phenomena of magnetism — practice question

A student wants to demagnetise a bar magnet. She tries four different methods. Which of these methods will demagnetise the magnet?

  • A1, 2 and 3
  • B1 and 2 only
  • C1 and 4
  • D2 and 3 only

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