What are transformers?

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter23: Series And Parallel Circuits
Section: Chapter Questions
Problem 69A
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What are transformers?

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Transformers are the devices used to increase or decrease the voltage. Type of transformers which increases the voltage are called step up transformers and that lower the voltage are called the step-down transformers.

Important part of transformer is that two coils having number of turns. They are called as primary coil and secondary coil. Basic principle behind the working of a transformer is the mutual induction.

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