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GATE Electrical Engineering (EE) 2020 Solved Paper
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© examsnet.com
Question : 63
Total: 65
Windings 'A' , 'B' and 'C' have 20 turns each and are wound on the same iron core as shown. along with winding 'X' which has 2 turns. The figure shows the sense (clockwise\/anticlockwise) of each of the windings only and does not reflect the exact number of turns. If windings 'A' , 'B' and 'C' are supplied with balanced 3 -phase voltages at
50
H
z
and there is no core saturation, the no-load RMS voltage (in V, rounded of to 2 decimal places) across winding 'X' is ___________.
Your Answer:
Validate
Solution:
V
=
2
20
(
130
∠
0
∘
)
−
2
20
(
230
∠
−
120
∘
)
−
2
20
(
230
∠
120
∘
)
=
46
∠
0
∘
© examsnet.com
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