By Roy Peterson
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Using text and graphics, this learning activity describes a sine wave, including alternations, cycles, time, amplitude, and degrees
This learning object describes the production of an alternating current in a generator with a single-loop armature. An illustration of how a sine wave is produced is shown through animation.
Learners read an analogy comparing mechanical work (in this case, sliding a weight) to that of electrical power. The relationship of work, apparent work, and power factor is developed.