Lesson designed to build upon prior knowledge of current, magnets and magnetic fields. Covers creating an electromagnets; magnetic relay switches; magnetic storage (CD & Hard drive) and circuit breakers - includes practice questions for students.
Ideal for AQA GCSE (9-1) P7, Cambridge iGCSE P9 and more
Developing: Distinguish between the design and use of permanent magnets and electromagnets
Secure: Describe applications of the magnetic effect of current, including the action of a relay and magnetic storage.
Exceeding: Explain how electromagnets can be used in the production of circuit breakers