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1. Explain two types of transformer
a. The number of turns in the secondary coil of a step-up transformer is than the number of turns in the primary coil.
b. The number of turns in the secondary coils in a step-down transformer is than the number of turns in the main coil.
c. A transformer is an electrical device that converts .
d. The cost of producing AC is the cost of producing DC.
e. Converting DC to AC is .
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