How Alternators Work
Interactive Video
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Architecture, Engineering, Other, Physics, Science
•
University
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Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of electricity does an alternator initially produce?
Pulsating Direct Current
Direct Current (DC)
Alternating Current (AC)
Static Electricity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a rectifier used in an alternator?
To regulate the engine speed
To convert AC to DC
To increase the voltage output
To store electrical energy
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if a car battery is left to discharge for too long?
The car will start faster
The alternator will stop working
The car will need to be jumpstarted
The battery will overcharge
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the pulley in an alternator?
To convert AC to DC
To grip the belt and provide rotational force
To store electrical energy
To regulate voltage output
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component in the alternator is stationary and does not rotate?
Brushes
Slip rings
Stator
Rotor
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the alternator control the strength of the electromagnet?
By adjusting the length of the belt
By changing the size of the rotor
By altering the number of slip rings
By varying the current through the electromagnet
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of a full bridge rectifier in an alternator?
To store electrical energy
To increase the speed of the alternator
To convert AC to DC
To convert DC to AC
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