When secondary of a current transformer is open-circuited its iron core will be________?
Anone of above will happen
Bhot because of heavy iron losses taking place in it due to high flux density
Ccool as there is no secondary current
Dhot because primary will carry heavy current
Correct answer
B. hot because of heavy iron losses taking place in it due to high flux density
Explanation
The correct answer is hot because of heavy iron losses taking place in it due to high flux density.