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OpenStudy (anonymous):
A step-up transformer has a ratio of 1:10. If 200 W of power goes into the primary coil, the power coming from the secondary coil is approximately A. 2 W. B. 20 W. C. 200 W. D. 2000 W. E. more than 2000 W.
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OpenStudy (anonymous):
C. 200W
OpenStudy (anonymous):
Power remains constant in transformer either it is step up or step down.
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