What is auto transformer?
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Answer Posted / raviranjan kumar
An auto trnsformer with only one winding wound on a
laminated core. A part of this winding is common to
both primary and secondary side .
in an ordinary transformer,the primary and secondary
winding are electricallyfrom each other but connected
magnetically.
In an auto transformer the primary andsecondary wind-
ing are connected magnetically and electrically.
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