3.1.1 Electromagnet
3.1.2 Factors That Affect the Strength of an Electromagnet
3.1.3 Magnetic Field (Experiment)
3.1.4 Simple Electromagnet (Experiment)
3.2 Understanding the force on a current-carrying conductor in a magnetic field
3.2.1 Current-carrying Conductor in a Magnetic Field
3.2.2 Current-carrying Coil in a Magnetic Field
3.2.3 Direct Current Motor Analysing Electromagnetic
3.2.3 Catapult Force and Simple Motor (Experiment)
3.3 Analysing electromagnetic induction
3.3.1 Electromagnetic Induction
3.3.2 Factors That Affect the Magnitude of Induced Current
3.4 Analysing transformers
3.4.1 Simple Transformers
3.4.2 Step-up and Step-down Transformer
3.4.3 Efficiency of a Transformer
3.5 Understanding the generation and transmission of electricity
3.5.1 The Generation and Transmission of Electricity
3.5.2 The National Grid Network
3.5.3 Environmental Issues
3.6 Extra Knowledge
3.6.1 The Making of Magnets
3.6.2 Strength of Magnets
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