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Electric Generators

20 minutes

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Part of the "A 3-D Demonstration" series. Looks at physics principles behind AC and DC generators. Examines the relationship between a changing magnetic field and the induction of electric current. A hand rule is introduced to predict the generator effect in a linear length of conductor exposed to a changing magnetic field. The behavior of a rotating coil in a magnetic field leads to the practical construction of an AC motor. Introduces split-ring commutator generators, as well as the more common alternator as a means of generating DC electricity. Specific modules include Generating Electricity, Inductors, Generator Left-Hand Rule, Generator Electromotive Rule, AC Generators, and DC Generators. Correlates to all National CTE Organizational Standards (including the provisions of the Perkins Act). Accessibility options on the DVD are: (1) expanded description, (2) English subtitles in a black box, (3) subtitled description.

Media Details

Runtime: 20 minutes

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Electricity: A 3-D Animated Demonstration
Episode 1
32 minutes
Grade Level: 9 - 12
Electricity: A 3-D Animated Demonstration
Episode 2
26 minutes
Grade Level: 10 - 12
Electricity: A 3-D Animated Demonstration
Episode 3
20 minutes
Grade Level: 10 - 12
Electricity: A 3-D Animated Demonstration
Episode 4
18 minutes
Grade Level: 10 - 12
Electricity: A 3-D Animated Demonstration
Episode 5
21 minutes
Grade Level: 10 - 12
Electricity: A 3-D Animated Demonstration
Episode 6
24 minutes
Grade Level: 10 - 12
Electricity: A 3-D Animated Demonstration
Episode 7
34 minutes
Grade Level: 10 - 12
Electricity: A 3-D Animated Demonstration
Episode 8
27 minutes
Grade Level: 10 - 12