En un transformador reductor de voltaje con una conexión del primario en delta de 4,16 kV y una conexión del secundario en Y de 480/277 V, la relación de vueltas del transformador es:
a. 0.209027778
b. 0.375694444
c. 0.459027778
d. 0.625694444
d. 0.625694444
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