An iron nail hangs from the north pole of a bar magnet. Which poles are induced in the nail?
A north pole at the top and a south pole at the bottom
A south pole at the top and a south pole at the bottom
A south pole at the top and a north pole at the bottom
A north pole at the top and a north pole at the bottom
40 exam-style questions on AQA GCSE Physics 7.1 Permanent and induced magnetism, magnetic forces and fields, covering 7.1.1 Poles of a magnet and 7.1.2 Magnetic fields. Each one has a worked solution and a mark scheme showing where the marks go.