A1U1T1O1T1R1A1N1S1F4O1R1M3E1R1
20 points
AUTOTRANSFORMER is validvalid
an alternating current transformer with a single winding [n]
a transformer in which the primary and secondary coils have part or all of their turns in common [n]
an alternating current transformer with a single winding [n]
a transformer in which the primary and secondary coils have part or all of their turns in common [n]