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
Physics 0625 · IGCSE · Simple phenomena of magnetism
A student wants to demagnetise a bar magnet. She tries four different methods. Which of these methods will demagnetise the magnet?