795bff6be82ff5f6e1cbf5e73af75cf4-original.pdf - Lecture 4 Transformers Introduction A transformer is a device which uses the phenomenon of mutual

795bff6be82ff5f6e1cbf5e73af75cf4-original.pdf - Lecture 4...

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Lecture 4: Transformers
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Introduction A transformer is a device which uses the phenomenon of mutual induction to change the values of alternating voltages and currents. In fact, one of the main advantages of a.c. transmission and distribution is the ease with which an alternating voltage can be increased or decreased by transformers.
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