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Find the voltage Vg and the current Ip if the input impedance of the iron-core transformer of Fig XXXXXXXXXXis 4 Ω, and V L = 1200 V and a = 1/4.

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Find the voltage Vg and the current Ip if the input impedance of the iron-core transformer of Fig XXXXXXXXXXis 4 Ω, and VL = 1200 V and a = 1/4.

 

Answered Same Day Dec 26, 2021

Solution

Robert answered on Dec 26 2021
117 Votes
Solution:
Vg= VL/Ohms
Vg= 1200v/4Ω
Vg= 300V
ZL= ZI/a2 = 4Ω/(1/4)2 =64 Ω
IL= VL/ZL = 1200v/64Ω = 18.75 A
Ip=IL/a= 18.75A/(1/4)= 75A
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