Multiple Choice
When secondary of a current transformer is open-circuited its iron core will be
A) hot because of heavy iron losses taking place in it due to high flux density
B) hot because primary will carry heavy current
C) cool as there is no secondary current
D) none of above will happen
Correct Answer:

Verified
Correct Answer:
Verified
Q2: A shell-type transformer has<br>A)high eddy current losses<br>B)reduced
Q3: Negative voltage regulation is indicative that the
Q4: The secondary winding of which of the
Q5: Iron loss of a transformer can be
Q6: When a given transformer is run at
Q8: Short circuit test on transformers is conducted
Q9: If the supply frequency to the transformer
Q10: An ideal transformer will have maximum efficiency
Q11: The size of a transformer core will
Q12: The changes in volume of transformer cooling