An apprentice technician in a mechanical workshop is given a high-strength neodymium block magnet, an unmagnetized soft-iron bolt, and a tray of small steel hex nuts.
Describe a practical procedure the technician could perform to demonstrate that the soft-iron bolt can function as a temporary induced magnet.
30 exam-style questions on Edexcel GCSE Physics 12.1 Magnets and magnetic fields. Each one has a worked solution and a mark scheme showing where the marks go.