
Understanding DC Motors
Authored by MOHD SHAFIE ABD GHANI
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University

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
What is the principle behind the operation of a DC motor?
The interaction between electricity and magnetism
The use of alternating current
The absence of magnetic fields
The reliance on hydraulic systems
2.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
What are the key components of a DC motor?
Armature, Stator, Commutator, Brushes
Generator, Capacitor, Inductor, Resistor
Transformer, Diode, Transistor, Relay
Battery, Solar Panel, Wind Turbine, Fuel Cell
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
What type of DC motor is commonly used in electric vehicles?
Brushed DC Motors
Brushless DC Motors (BLDC)
Shunt-Wound DC Motors
Series-Wound DC Motors
4.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
What is regenerative braking in the context of DC motors?
A method to increase speed
A process to convert kinetic energy back to electrical energy
A technique to reduce wear on brushes
A way to improve torque
5.
FILL IN THE BLANK QUESTION
30 sec • 3 pts
Fill in the blank: The rotating part of the motor is called the ______.
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
What is the main advantage of brushless DC motors?
Simplicity and cost-effectiveness
Higher efficiency and longer lifespan
Easier maintenance
Lower starting torque
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What configuration do shunt-wound DC motors use?
Field windings in series with armature windings
Field windings in parallel with armature windings
Only armature windings
Only field windings
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