
Understanding Transformers
Interactive Video
•
Physics, Science
•
9th - 12th Grade
•
Hard

Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a transformer in power transmission?
To store electrical energy
To convert AC to DC
To increase the frequency of power
To change the voltage level of AC power
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What principle explains the operation of a transformer?
Ohm's Law
Quantum mechanics
Electromagnetic induction
Thermodynamics
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is a fluctuating magnetic field produced in a transformer?
By using a DC power source
By heating the transformer
By rotating the transformer
By a coil and alternating EMF system
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the number of turns in the primary and secondary coils and the voltage in a transformer?
More turns in the primary coil decrease voltage
More turns in the secondary coil increase voltage
Fewer turns in the primary coil increase voltage
Fewer turns in the secondary coil increase voltage
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What material is typically used for the core of a transformer to link magnetic flux?
Aluminum
Ferromagnetic material
Copper
Plastic
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a three-phase transformer, how are the low voltage windings typically connected?
In a star configuration
In a delta configuration
In a parallel configuration
In a series configuration
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What configuration is used for high voltage windings in a three-phase transformer?
Series configuration
Parallel configuration
Star configuration
Delta configuration
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