1. Revision Quiz Bowl on Electromagnetism

20. More Revision

21. The figure below shows a compass and a magnet
The figure below shows a compass and a magnet. Label the poles of the magnet and draw the field lines on the magnet.

22. The three diagrams show the field lines between the poles of two magnets. Identify the poles A, B, C, D, E and F as north or south poles.

23. Label the poles of the solenoid below if the current flows in the wire in the direction shown.

25. Name the factors that could affect on the electricity produced in the coil of wire. Describe the effect(s).

26. Name the factors that affects the magnetic field induced in an electromagnet.

27. What is a motor?

28. What is a generator?

29. Explain the Solenoid Rule.

30. Give one energy source that uses the principle of electromagnetic induction to produce electricity and one energy resource that does not.