An electromotive force (e.m.f.) is induced in a solenoid when a permanent bar magnet is inserted into it.
Which of the following modifications would increase the maximum magnitude of the induced e.m.f.?
Moving the magnet into the solenoid more slowly.
Using a solenoid with a greater number of turns of wire.
Replacing the bar magnet with a weaker magnet.
Inserting the opposite pole of the magnet at the same speed.
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.