
Generators and Motors Quiz
Authored by Autor 14 SEED-CDP Fisica
Physics
12th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a generator?
Convert electrical energy into mechanical energy
Convert mechanical energy into electrical energy
Store mechanical energy
Store electrical energy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component in a generator is responsible for creating the magnetic field?
Brushes
Commutator
Stator
Rotor
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the commutator in a DC generator?
To rotate the rotor
To create a magnetic field
To cool the generator
To reverse the direction of the electric current
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a motor convert electrical energy into?
Mechanical energy
Sound energy
Light energy
Heat energy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a DC motor, what is the function of the brushes?
To cool the motor
To reverse the direction of the current
To create a magnetic field
To establish electrical connection with the commutator
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the direction of current changed in an AC motor?
By using a commutator
By changing the polarity of the AC supply
By rotating the rotor
By using brushes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key difference between a generator and a motor?
Motors store electrical energy
Generators convert electrical energy into mechanical energy
Generators convert mechanical energy into electrical energy
Motors convert mechanical energy into electrical energy
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