its losses are minimum

its current drainage is minimum

the applied e.m.f. is minimum

the load is minimum

reversing the supply connections

interchanging the armature and field connections

adding a resistance in the field circuit

reversing the armature connections or the field connections

zero

3000 r.p.m.

3600 r.p.m.

infinity

motor will run at a very high speed

motor will run at a very low speed

motor will burn

motor will not run at all

armature current is reduced

flux is reduced

line current is reduced

none of these