A 400 V, 10 KVA transformer at 60 Hz, is operated at the frequency of 40 Hz, then the humming __________

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answerhappygod
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A 400 V, 10 KVA transformer at 60 Hz, is operated at the frequency of 40 Hz, then the humming __________

Post by answerhappygod »

a) increases
b) decreases
c) remains same
d) increases to very high
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