
Understanding DC Motor Components

Interactive Video
•
Physics, Science, Engineering
•
9th - 12th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the metal protective casing in a DC motor?
To form the rotor
To form the stator
To form the commutator
To form the brushes
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two terminals on the plastic end cap used for?
Connecting the commutator
Connecting the rotor
Connecting the stator
Connecting a power supply
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What forms the North and South Pole inside a DC motor?
The coil windings
The shaft
The permanent magnets
The rotor
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the coil windings in a DC motor?
To carry the electrical current
To form the stator
To form the brushes
To form the commutator
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are the commutator plates arranged around the shaft?
In series
In parallel
Concentrically
Randomly
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What completes the circuit in a DC motor?
The shaft
The stator
The brushes rubbing against the commutator segments
The rotor
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a major issue with the simplest DC motor design?
It requires too many coils
It can align magnetically and jam
It is too expensive
It is too complex
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