A student proposes three ways to demagnetise a piece of steel. Which of these methods would demagnetise the piece of steel?
- A1 only
- B2 only
- C3 only
- D1, 2 and 3
Physics 0625 · IGCSE · Simple phenomena of magnetism
A student proposes three ways to demagnetise a piece of steel. Which of these methods would demagnetise the piece of steel?