Questions where students often pick the tempting wrong answer — make sure you know the right one:
Which way do magnetic field lines point outside a magnet?✗ From south to north.✓ From the north pole to the south pole.
Are all metals magnetic?✗ Yes, all metals are attracted to magnets.✓ No — only a few metals are magnetic: iron, nickel and cobalt, and alloys containing them such as steel.
What does the motor effect need?✗ A still wire with no current near a magnet.✓ A current in a wire placed within a magnetic field.
Practise Electricity & Magnetism — free games
Test yourself with these quick revision games for this topic:
