An industrial crane is designed to lift scrap metal in a scrapyard, move it to another location, and then drop it. Which type of magnet and core material is most suitable for this application?
An electromagnet with a soft iron core
An electromagnet with a hard steel core
A permanent magnet with a soft iron core
A permanent magnet with a hard steel core
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.