Answer / gaurav tripathi

auto transformer is the transformer in which only one
winding is used and output is found by changing the tapping
of the winding

Answer / chella

autotransformer is a tybe of single winding transformer
which electrical energy transfered from primary to secondary
winding by electrical as well as mutual induction

Answer / shafi

Auto transformer is electrical device which provides variable output voltage for a fixed input voltage.

Answer / thanigai1984

Auto Transformer is a single winding transformer.. we change the voltage by increasing or decrease the voltage...

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