A9 Electromagnetic induction and alternating current

18 Feasible experiments.

• Faraday’s experiences with the permanent magnet
• Faraday’s experiences with the electromagnet
• Magnetic flux
• Neumann law
• Lenz law
• The law of electromagnetic induction
• Magnetic flux and sinusoidal law
• Alternating current
• The properties of alternating currents: the effective value
• Measurement instruments for alternating current
• Transformer
• The efficiency of a transformer
• The self-induction
• Self-induction and alternating current
• Impedance
• Inductive reactance