Answer / veeru

it is working on the self induction principle but where as
normal t\f works on the principle of mutual induction.it has
only one winding

Answer / raji g

AN AUTO TRANSFORMER IS A SINGLE CORE TRANSFORMER COPPER
WINDINGS ARE WOUNDED ON THEM
WE CAN USE THIS TRANSFORMER WHERE WE WANT REDUCE THE THE
SUPPLY VOLTAGE AND ALSO INCREASE THE VOLTAGE.


eg. LABORATORIES

Answer / kotike chaitanya bharghav

In auto transformer
we can reduce the amount
of copper but in the case of
normal 2 winding t/r
require more copper for
winding
and also there is lot of
losses in normal transformer

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