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Produced by the Department of Defense, Transformers educates the viewer on the many types of transformers, their uses and functions in a variety of electrical applications.
The presentation defines and explains following terms in reference to transformers: transformer action, step-up, step-down, and coefficient of coupling. explains voltage and current magnitude relationships in primary and secondary of transformer. shows difference between symbols used to represent: power, audio, rf, and auto transformers. using a transformer demonstrator and a psm-6 multimeter. It also shows test equipment checks that can be performed to identify transformer opens, shorts, and turn-ration as related to step-up and step-down transformers.
This film has a runtime of 26 minutes.
Here are some sample images from the DVD
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