a. A transformer is used to convert AC voltage levels, while an inductor is used to store energy in a magnetic field.
b. An inductor is used to convert AC voltage levels, while a transformer is used to store energy in a magnetic field.
c. A transformer and an inductor are the same thing.
d. A transformer and an inductor have no function in an electrical circuit.
Answer: a. A transformer is used to convert AC voltage levels, while an inductor is used to store energy in a magnetic field.
