EC > GATE 2013 SET-4 > Transformers
The following arrangement consists of an ideal transformer and an attenuator which attenuates by a factor of 0.8. An ac voltage VWX1 = 100V is applied across WX to get an open circuit voltage VYZ1 across YZ. Next, an ac voltage VYZ2 = 100V is applied across YZ to get an open circuit voltage VWX2 across WX. Then, VYZ1/VWX1, VWX2/VYZ2 are respectively,
A
125/100 and 80/100
B
100/100 and 80/100
C
100/100 and 100/100
D
80/100 and 80/100

Correct : d

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Related Topics

transformer circuit analysis attenuator circuit ideal transformer GATE EC 2013 open circuit voltage ratio AC circuits transformer open circuit voltage division in circuits GATE electrical engineering transformer ratio calculation

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