The weight of copper of both armature and field windings decreases with __________ in number of poles?

Related Mcqs:

The length cf air gap to be provided in __________ is primarily determined by power factor consideration?

A. d.c. series motor . B. d.c. shunt motor C. induction motor D. synchronous motor...

With conventional hydrogen cooling it is possible to increase the rating of a single unit to___________?

A. 50 MW B. 100 MW C. 200 MW D. none of the above...

____________are always double layer type?

A. Closed windings B. Open windings C. Either of the above D. None of the above...

Which of the following problem arises in D.C. motors which are fed from thyristor bridge circuits ?

A. Increased I R losses B. Increased core losses C. Poor commutation D. Change in motor parameters E. All of the above...

The cold rolled grain oriented steel has ___________ permeability in the direction of the grain orientation?

A. minimum B. maximum C. nil D. none of the above...