JKSSB Mock Tests

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
Answer: Option C
Solution (By JKSSB Mock Tests Team)
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.
This Question Belongs to: General science Physics set 1
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