Drawn with railroad tracks, the symbol of a tap-connected reactor coil represents an _________ - _________ autotransformer.
Drawn without the railroad tracks, the winding symbol represents an _________ - _________ autotransformer.
A) air-core; iron-core
B) iron-core; air-core
C) air-core; air-core
D) iron-core; iron-core
Share your understanding of this question with the correct explanation.