Learn About DC Motors
Authored by RanjanKumar Naik
Engineering
1st Grade
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a DC motor?
A DC motor is a device that generates electrical energy from mechanical energy.
A DC motor is a device that converts direct current electrical energy into mechanical energy.
A DC motor is a device that converts alternating current into mechanical energy.
A DC motor is a type of battery used for energy storage.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does DC stand for in DC motor?
Distributed Control
Dynamic Current
Direct Current
Dual Circuit
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main part that spins in a DC motor?
stator
rotor
commutator
armature
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do we call the part that provides power to the motor?
Power supply
Battery charger
Power adapter
Voltage regulator
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the commutator in a DC motor?
The commutator reverses current direction to maintain consistent torque and rotation.
The commutator increases the voltage supplied to the motor.
The commutator acts as a cooling mechanism for the motor.
The commutator is used to convert AC to DC in the motor.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the wires that connect to the motor called?
Signal connectors
Motor leads
Control wires
Power cables
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the rotor in a DC motor?
The rotor generates torque and facilitates rotation in a DC motor.
The rotor stores electrical energy in a DC motor.
The rotor acts as a heat sink to dissipate heat in a DC motor.
The rotor controls the speed of the motor by adjusting voltage in a DC motor.
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