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Circuits

26 minutes 39 seconds

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Part of the "A 3-D Demonstration" series. Presents both the theory of electric circuits and basic practical methods of managing circuits safely. Investigates the benefits and dangers of ground circuits together with safety devices, such as fuses and ground fault interrupters. Introduces the concept of electric resistance. Specific modules include Completing a Circuit, Fuses, Circuit Breakers, Ground Circuits, Ground Faults, Ground Fault Interrupters, Resistance, and Electrical Resistance. 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: 26 minutes 39 seconds

e-= 1.60 x 10-19C elementary charge. Caption: is used to describe this single, smallest possible charge.
Electricity: A 3-D Animated Demonstration
Episode 1
31 minutes 4 seconds
Grade Level: 9 - 12
Sinuous wave falling above and below a center line. Arrow indicating the distance between the center line and the peak of the wave. Caption: The peak voltage is approximately 170 volts
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Episode 2
26 minutes 2 seconds
Grade Level: 10 - 12
Illustration of a measurement device attached to leads which surround a central core that is emitting a moving magnetic field. Caption: As long as the magnetic field moves
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Episode 3
19 minutes 37 seconds
Grade Level: 10 - 12
Illustration of an arm extended and energy cycling through the forearm. Energy continues out through the tips of the fingers. A wire intersects the hand, and an arrow indicates movement to the right. Caption: exerted on the conducting wire.
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Episode 4
17 minutes 46 seconds
Grade Level: 10 - 12
Central sphere with arrows with equidistance arrows moving away from the center. Caption: and the distance between arrows
Electricity: A 3-D Animated Demonstration
Episode 5
20 minutes 46 seconds
Grade Level: 10 - 12
Req=R1+R2+R3+…+Rn Caption: is this sum of the individual resistances
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Episode 6
24 minutes 21 seconds
Grade Level: 10 - 12
Closeup of an incandescent lightbulb. Caption: a change in the wattage of the lightbulb
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Episode 7
34 minutes 9 seconds
Grade Level: 10 - 12
Diagram of a wall outlet. Caption: If the receptacle is itself properly grounded,
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Episode 8
26 minutes 39 seconds
Grade Level: 10 - 12