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Transformers - Technical MCQs

Q1:

The secondary current is _____ in the given circuit.

A 1.9 mA

B 7.5 mA

C 30 mA

D 60 mA

ANS:C - 30 mA

I1/I2 = N2/N1.

7.5 mA/I2 = 1/4.

I2 = 7.5 mA* 4.

I2 = 30 mA.