The efficiencies of transformers compared with that of electric motors of the same power are
The efficiencies of transformers compared with that of electric motors of the same power are
A). about the same
B). much smaller
C). much higher
D). somewhat smaller
1 answers
Other Questions
2. It is advisable to avoid line starting of induction motor and use starter because
3. The current carrying capacity of cables in D.C. is more than that in A.C. mainly due to
4. International ohm is defined in terms of the resistance of
5. The angular displacement between two interconnected stations is mainly due to
6. For an ideal OP-amp, which of the following is true?
7. The power factor of a single-phase load can be calculated if the instruments available are
8. Moisture content in the soil _______ the earth soil resistance
9. In a star-delta starter of an induction motor
10. Steam pressure in a steam power station, which is usually kept now-a-days is of the order of