Magnetism – 8 minutes
Defines: permanent magnet, magnetic field, lines of force, flux density. Identifies and describes four characteristics of magnets.
Electromagnetism – 8 minutes
Defines electromagnetism. Describes an electromagnet. Identifies and describes characteristics of electromagnets. Demonstrates the right-hand rule for a conductor and for a coil.
Induction – 11 minutes
Defines induction and identifies the requirements for induction. Identifies two factors that determine the direction of an induced voltage. Demonstrates the right-hand rule for induced voltage.
Motor Action – 9 minutes
Explains the principle of motor action.