A student wants to determine which end of an unmarked bar magnet is its south pole. Which of the following procedures would successfully identify the south pole?
Bring the unmarked end near the south pole of a known bar magnet and check for repulsion.
Bring the unmarked end near a piece of unmagnetised soft iron and check for attraction.
Bring the unmarked end near a copper block and check for attraction.
Dip the unmarked end into a pile of steel paperclips to see if they are attracted.
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.