An experimenter wants to magnetise a steel bar. They list four potential procedures:
Which of these procedures will magnetise the steel bar?
1 and 2 only
1 and 3 only
2 and 4 only
1, 2 and 3
169 exam-style questions on CIE IGCSE Physics Simple phenomena of magnetism, covering Simple phenomena of magnetism. Each one has a worked solution and a mark scheme showing where the marks go.