Basic Electricity: 8 -- Alternating Current

Year Published: 1982

Format: 16mm

Sound: sound

Description: Consultant, James M. McGrath, Lane Technical High School, Chicago Covers definition of direct current; circuit with center-zero ammeter; definition of alternating current and effect on ammeter; universal use of alternating current; high-voltage transmission; transformers; sine wave; cycle periods and frequency; Hertz; amplitude; in phase, out of phase; and root mean square

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