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Transformers

Q1:

The transformer turns ratio determines

A the ratio of primary and secondary voltages

B the ratio of primary and secondary currents

C the reflected impedance

D all of the above

ANS:D - all of the above

Voltage ratio: v1/V2=N1/N2 = a
Current ratio: I1/I2=N2/N1 = 1/a
Ohmic ratio: Z1/Z2=R1/R2 = X1/X2 = (N1/N2)squared = (a) squared



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