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A 50 Hz transformer having equalhysteresis and eddy current losses at rated excitation is operated at 45 Hz at 90% of its rated voltage. Compared to rated operating point, the core losses under this condition. | |
A. | reduce by 10%, [Wrong Answer] |
B. | reduce by 19%. [Wrong Answer] |
C. | reduce by 14.5%. [Correct Answer] |
D. | remain unchanged [Wrong Answer] |