Can a 50Hz transformer be used for 25 Hz, if the input voltage is maintained constant at the rated value corresponding to 50 Hz?
A. Yes, since the voltage is constant current tevel will not change.
B. No, flux will be doubled which will drive the core to excessive saturation
C. No. owing to decreased resistance of transformer, input current will he doubled at the load,
D. Yes, at constant voltage, insulation will not be overstressed
Show Answer
Answer: B
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