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a) Vs = (Ns / Np) × Vp = (10,000 × 12) / 100 = 1200 V
b) Power in primary = Pp = Ip × Vp= 5.0 × 12 = 60 W
Efficiency = Ps / Pp × 100% but Ps = Is Vs
Is = (60 × 90) / (1200 × 100) = 0.045 A
Mutiso answered the question on October 16, 2018 at 11:06
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