Which of the foJIowing is not a routine test on transformers ?
A) Core insulation voltage test
B) Impedance test
C) Radio interference test
D) Polarity test
Correct Answer:
Verified
Q12: Which of the following does not change
Q13: Which of the following properties is not
Q14: The leakage flux in a transformer depends
Q15: The path of the magnetic flux in
Q16: Noise level test in a transformer is
Q18: A transformer can have zero voltage regulation
Q19: Helical coils can be used on
A)low voltage
Q20: Harmonics in transformer result in
A)increased core losses
B)increased
Q21: The core used in high frequency transformer
Q22: The full-load copper loss of a trans¬former
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