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[Description]
Alternating Current
Explanation of lesson targets:- describe a magnetic field around a rectilinear conductor, a circular loop and a coil,- describe graphs of alternating current,- calculate root-mean-square current and voltage,- give examples of the application of electromagnets.
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[Movie]
The period of alternating current
Show animation to determine how to measure changes in the current flow in a simple generator.
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[Movie]
Bicycle dynamo
Show animation to determine how a bicycle dynamo works.
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[Single activity]
Graphs of alternating current
Ask four students to complete the statements with the data read from the graphs.
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