Quiz on Magnetic Circuit & Transformer
Authored by Mas Mohamad
Engineering
University
Used 2+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a transformer?
To convert AC to DC
To transform electric power from one circuit to another
To store electrical energy
To increase resistance in a circuit
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following materials is NOT commonly used for transformer cores?
Ferrite
Copper
Laminated silicon steel
Soft Iron
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What principle does a transformer operate on when inducing voltage?
Kirchhoff's Voltage Law
Newton's Law of Motion
Faraday's Law of Induction
Ohm's Law
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a core-type transformer, how is the iron circuit arranged?
Surrounded by windings
In a circular shape
In a triangular shape
In a straight line
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the efficiency assumption for an ideal transformer?
90%
100%
75%
50%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of transformer has a single winding that acts as both primary and secondary?
Autotransformer
Polyphase transformer
Shell-type transformer
Core-type transformer
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of leakage flux in a transformer?
Increases efficiency
Causes energy loss
Improves voltage regulation
Reduces current
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