In a power transformer, the core loss is 50 W at 40 Hz and 100 W at 60 – McqOptions

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1.	In a power transformer, the core loss is 50 W at 40 Hz and 100 W at 60 Hz, under the condition of same maximum flux density in both cases. The core loss at 50 Hz will be
A.	64 W
B.	73 W
C.	82 W
D.	91 W
Answer» C. 82 W

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