If transformation ratio of an autotransformer is V2 / V1 then ratio of power transferred to that of input power is V2 / V1

Q.  If the transformation ratio of an autotransformer is given by V2 / V1 then the ratio of power transferred to that of input power is given by
- Published on 29 Oct 15

a. (V2-V1) / V1
b. (V2+V1) / V1
c. (V1-V2) / V1
d. V2 / V1

ANSWER: V2 / V1

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