Electrical Transformers

Quiz
•
Other
•
12th Grade
•
Hard
Wayground Content
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
If a transformer increases voltage, it is called a ......... transformer.
step right
step left
step up
step down
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Induced voltage in primary and secondary winding depends on the following except for
Resistor, R
number of turns, N
magnetic flux
Frequency
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
A transformer is a device that changes the voltage of
a direct current
an alternating current
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which of the following does not change in a transformer?
Voltage
Current
Power
Frequency
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
The function of a transformer is to ...
raise and lower the apparent power levels
transfer DC voltage from the primary winding to the secondary winding
increase or decrease A.C voltage or A.C current (Amps) levels
transform mechanical energy into electrical energy
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
The transformer with 3 levels of output voltage two equals and one that is the double is also called...
Center tap transformer
Double tap transformer
Single tap transformer
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Is the metal used to build the coils of transformers
Aluminum
copper
steel
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