Chemistry, 25.09.2019 09:30 emma1581

Which is true of a step-down transformer but not a step-up transformer?
a. the core is made of copper and the coils are made of copper
b. the core is made of iron and the coils are made of copper
c. the primary winding has fewer coils than the secondary winding
d. the primary winding has more coils than the secondary winding

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Which is true of a step-down transformer but not a step-up transformer?
a. the core is made o...