Electromagnetic Induction

Contents / notes

• Faraday's laws of electromagnetic induction.
• Lenz's law as an illustration of conservation of energy.
• Factors affecting induced emf.
• AC and DC generators.
• Transformers.
• Induction coil.

Candidate objectives

• Interpret the laws of electromagnetic induction.
• Identify factors affecting induced emf.
• Recognise how Lenz's law illustrates conservation of energy.
• Interpret the diagrammatic setup of AC generators.
• Identify types of transformers.
• Examine the operating principles of transformers.
• Assess the functions of an induction coil.
• Draw conclusions from the operating principles of an induction coil.