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Q#1 Instrument Transformer GATE EE 1999 MCQ +2 marks -0.66 marks

The ratio error of a given  A current transformer is zero when feeding 5 VA, pf burden at rated current. Estimate the iron loss of the current transformer at this operating condition if the secondary has 198 turns and a winding resistance of . Neglect leakage reactance.

1.15 W

2.30 W

0.57 W

4.60 W

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