📝 Multiple Choice Question
General-science
A transformer is an electrical device used to do what?
A
Convert AC to DC
B
Convert DC to AC
C
Step up or step down AC voltage
D
Measure electrical resistance
Explanation
A transformer is a passive electrical device that transfers electrical energy from one circuit to another through mutual induction. It is mainly used to increase (step up) or decrease (step down) AC voltage.
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