A student tests two rods, X and Y, using the north pole of a magnet. One end of X is attracted and its other end is repelled. Both ends of Y are attracted. Which conclusion is justified?
X is unmagnetised iron; Y may be a magnet.
X is unmagnetised iron; Y must be non-magnetic.
X is a magnet; Y may be unmagnetised iron.
X is a magnet; Y must be a permanent magnet.
70 exam-style questions on Edexcel GCSE Physics 12.1 Magnets and magnetic fields, covering 12.1.1 Magnetic poles, 12.1.2 Magnetic materials; permanent and induced magnets, 12.1.3 Magnetic fields, and 12.1.4 Plotting compasses and the Earth's magnetic field. Each one has a worked solution and a mark scheme showing where the marks go.