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If operating a 400 Hz transformer at 50 Hz?
only voltage is reduced in the same proportion as the frequency
only kVA rating is reduced in the same proportion as the frequency
both voltage and kVA rating is reduced in the same proportion as the frequency
none of the above
only kVA rating is reduced in the same proportion as the frequency
Quick Summary: Practice and solve "If operating a 400 Hz transformer at 50 Hz?..." for Electrical - Machine. The correct answer is Option B: only kVA rating is reduced in the same proportion as the frequency. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(b) **