Which of the following describes a permanent magnet?
A magnet that only becomes magnetic when it is placed inside an external magnetic field.
A magnet that produces its own magnetic field continuously without requiring any external influence.
A magnet that has two identical magnetic poles (e.g., two north poles).
A magnet that loses all of its magnetism immediately after being removed from a magnetic field.
17 exam-style questions on OCR GCSE Physics Magnets and magnetic fields. Each one has a worked solution and a mark scheme showing where the marks go.