A (350 A/ 7A), 50 Hz current transformer has a primary bar. The secondary burden

Question

A (350 A/ 7A), 50 Hz current transformer has a primary bar. The secondary burden is a pure resistance of 1 Ω and it draws a current of 5 A. The magnetic core requires 350 AT for magnetization. Find the percentage ratio error.

Options:

A . 10.56

B . -28.57

C . 11.80

D . -11.80

Answer: Option B
Answer: (b).-28.57

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