Which one best describes the working principle of a DC motor?
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EE301 - 3 - 4
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Master Sparky
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When the motor is powered by DC current, a magnetic field is created within the stator, attracting and repelling the magnets on the rotor. This causes the rotor to start rotating.
When the motor is powered by DC current, a magnetic field is created within the stator, attracting and repelling the magnets on the rotor. This causes the stator to start rotating.
When the motor is powered by DC current, a magnetic field is created within the stator, attracting and repelling the magnets on the rotor. This causes the stator to produce voltage
When the motor is powered by DC current, a magnetic field is created within the stator, attracting and repelling the magnets on the rotor. This causes the rotor to produce voltage
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the component below that can ONLY be found in DC motors and DC generators.
Commutator
Slip Ring
Brushes
Exciter
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the below component that provides continues supply of excitation voltage to the field coil of a DC motor through the commutator.
Carbon Brushes
Commutators
Carbon Slip rings
Rotor Bearning
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The photo below shows that the armature produce an output voltage. This schematic diagram best describes the:
DC Motor
DC Generator
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the type of DC machine shown in the photo:
Permanent Magnet
Separately Excited
Self-Excited Series Machine
Self-Excited Shunt Machine
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the type of DC machine shown in the photo:
Permanent Magnet
Separately Excited
Self-Excited Long Shunt
Self-Excited Short Shunt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the type of DC machine shown in the photo:
Permanent Magnet
Separately Excited
Self-Excited Series Machine
Self-Excited Shunt Machine
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