Q
When secondary of a current transformer is open-circuited its iron core will be__________?
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A
A. Hot because of heavy iron losses taking place in it due to high flux density
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B
B. Hot because primary will carry heavy current
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C
C. Cool as there is no secondary current
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D
D. None of above will happen
Correct Answer:
A. A. Hot because of heavy iron losses taking place in it due to high flux density
