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mukesh kumar

· started a discussion

· 1 Months ago

i cant understand it

Question:

The applied voltage of a certain transformer is increased by 75%; while the frequency of the applied voltage is reduced by 25%. The maximum core flux density will

Options:
A)

increase by seven times.

B)

increase by three times.

C)

reduce to one quarter.

D)

remain the same.

Solution:

Ans:(b)

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