Electrical Engineering > GATE 2015 SET-2 > Transformers
Find the transformer ratios a and b such that the impedance (Zin) is resistive and equals 2.5Ω when the network is excited with a sine wave voltage of angular frequency of 5000 rad/s.
A
a=0.5, b=2.0
B
a=2.0, b=0.5
C
a=1.0, b=1.0
D
a=4.0, b=0.5

Correct : a

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