A coil of wire is connected to a sensitive galvanometer. When a rod is pushed into the coil, the galvanometer detects a small transient current.
Which of the following descriptions best explains the nature of the rod?
It is a heated copper rod.
It is a magnetized steel rod.
It is an uncharged plastic rod.
It is a radioactive uranium rod.
35 exam-style questions on CIE IGCSE Physics 4.5.1a Electromagnetic induction. Each one has a worked solution and a mark scheme showing where the marks go.