back e.m.f. is larger

armature voltage is lesser

flux is very low

armature current is very low

fine wire winding

nichrome wire winding

thick wire winding

double wire winding

speed control

back e.m.f. control

applied e.m.f. control

current control in the start

pole

stator

rotor

armature

eliminate reactance voltage

eliminate armature reaction

create a mechanical balance in the armature

eliminate vibrations of the machine