Search
.Management Sciences
Category: Transformers
The path of the magnetic flux in transformer should have____________?
0
A. high reluctance
B. low reactance
C. high resistance
D. low resistance
A transformer can have regulation closer to zero___________?
A. on full-load
B. on overload
C. on leading power factor
D. on zero power factor
The secondary of a current transformer is always short-circuited under operating conditions because it____________________?
A. avoids core saturation and high voltage induction
B. is safe to human beings
C. protects the primary circuit
D. none of the above
The main reason for generation of harmonics in a transformer could be_______________?
A. fluctuating load
B. poor insulation
C. mechanical vibrations
D. saturation of core
Recent Comments