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The following arrangement consists of an ideal transformer and an attenuator which attenuates by a factor of 0.8. An ac voltage VWX1 = 100 V is applied across WX to get an open circuit voltage across YZ. Next, an ac voltage VYZ2 = 100 V is applied across YZ to get an open circuit voltage VWX2 across WX. Then, are respectively

 
125/100 and 80/100
100/100 and 80/100
100/100 and 100/100
80/100 and 80/100

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Rudra Prasad

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