DC Machines Quiz

To convert mechanical energy to electrical energy (correct)

To support field coils

To convert AC voltages to DC

To produce alternate magnetic polarities

To reduce eddy current losses

To connect the armature winding to the commutator

To carry the magnetic flux produced by the field winding (correct)

To cool the machine through axial air flow

Series field windings have higher resistance, while shunt field windings have lower resistance (correct)

Series field windings are connected in parallel with the armature, while shunt field windings are connected in series with the armature

Series field windings have many turns of small wire, while shunt field windings have few turns of very large wire

Series field windings are used to limit current flow, while shunt field windings provide the magnetic field