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