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why there is a humming noise in transformer

Answer Posted / meenakshi

simply speakin its because of the magnetostriction effect.

hey guys, i found the following link to be more informative
n understandable. to ave more knowledge on tis topic,plz
check it out without fail...

http://www.federalpacific.com/literature/drytrans/10transfor
mernoise.pdf

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