Elements of Electrical Circuits

Duration: 11

Year Published: 1943

Creator: Encyclopaedia Britannica Educ Corp

Format: 16mm

Color: B&W

Description: Clarifies, through demonstrations, the concept that electric current is a flow of electrons controlled by circuits. Develops the concept by describing home electrical circuits and by illustrating a short circuit caused by faulty insulation. Reveals the functions of conductors and insulators, and measurements of electric flow by application of Ohm's Law. Explains Ohm's Low in terms of resistance, current, and electromotive force.

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