If applied voltage & frequency of single phase transformer is increased by 10% & 20% respectively then change in eddy current losses will be 21%

Q.  If the applied voltage is increased by 10% and the applied frequency is increased by 20% of a single phase transformer, the percentage change in eddy current losses will be
- Published on 29 Oct 15

a. 19%
b. 20%
c. 21%
d. 40%

ANSWER: 21%

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