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Q#1 Transformers GATE EE 2003 MCQ +2 marks -0.66 marks

Figure shows an ideal three-winding transformer. The three windings 1, 2, 3 of the transformer are wound on the same core as shown. The turn’s ratio is 4:2:1. A resistor of 10Ω is connected across winding-2. A capacitor of reactance 2.5Ω is connected across winding-3. Widing-1 is connected across a 400 V, ac supply. If the supply voltage phasor = 400∠0°, the supply current phasor is given by

(−10 + j10) A

(−10 −j10) A

(10 + j10) A

(10 – j10) A

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