Question

What do mean by auto transformers

Answer 1

Auto transformer is an electrical transformer with only one winding!...

Also..An auto transformer portions of the same winding act as both the primaryand secondary sides of the transformer.

Hope this helps you out!

Answer 2

An auto Transfirmer (Sometimes called auto step- down transfomer) is an electrical transformer with only one winding. The "auto" (Greek" for" self") prefix refers to the single coil acting alone and not to any kind of automatic mechanism is called Auto Transformers.

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