MM0704, Lesson 3
6.
What is the ratio of field current to armature current in a series DC motor?
a.
1:1.
b.
2:1.
c.
3:1.
d.
4:1.
7.
How is the torque of a series DC motor affected if the armature current is reduced by one-half?
a.
Increased by one-fourth.
b.
Reduced by one-half.
c.
Increased by one-half.
d.
Reduced by three-fourths.
8.
How many current paths are provided in the DC shunt motor in figure 3-15?
a.
One.
b.
Two.
c.
Three.
d.
Four.
Figure 3-15. DC Shunt Motor.
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