Auto_transformer_rating_is_chosen_so_as_to_have_best_performance,_when_the_analogous_two_winding_transformer_has$

very high transformation ratio.

two voltage levels fairly close to each other

Auto_transformer_rating_is_chosen_so_as_to_have_best_performance,_when

1.	Auto_transformer_rating_is_chosen_so_as_to_have_best_performance,_when_the_analogous_two_winding_transformer_has$
A.	two voltage levels fairly close to each other
B.	very high transformation ratio.
C.	any voltage levels
D.	step down purpose.
Answer» B. very high transformation ratio.

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