Question

A 220/440V, 50Hz, 2.2 kVA transformer has the primary turns (on the LVside) to be 100. The number of turns in the secondary and maximum flux in the core are.

 200, 9.9 Wb

 200, 9.9 mWb

 200, 99 mWb

 50, 99 mWb

 None of the above

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Answer 1

Answer:

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Answer 2

Answer:

200.9.9mWb

Explanation:

V1/V2=N1/N2

220/440=100/N2

N2=200

E=4.44FNФ

440=4.44*50*200*Ф

Ф=9.9mWb