Why we are short circuiting the poprimary of CT in CT Ratio Test by Primary injection method?

Why we are short circuiting the primary of CT in CT Ratio Test by Primary injection method?

A. For Safety
B. For completing circuit for inject current flow
C. For incompletion of circuit for inject current flow
D. All are correct
E. A & B are correct
F. A & C are incorrect

Show Answer

Answer: E

Share your understanding of this question with the correct explanation.