A (350 A/ 7A), 50 Hz current transformer has a primary bar. The second – McqOptions

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1.	A (350 A/ 7A), 50 Hz current transformer has a primary bar. The secondary burden is a pure resistance of 1 and it draws a current of 5 A. The magnetic core requires 350 AT for magnetization. Find the percentage ratio error.
A.	10.56
B.	-28.57
C.	11.80
D.	-11.80
Answer» C. 11.80

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