
Transformers
Quiz
•
Engineering
•
University
•
Practice Problem
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Medium
Rakhi Aldin
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A transformer works on the principle of:
Self Induction
Electrostatic Induction
Mutual Induction
Electromagnetic Emission
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a transformer, the core is made of
Copper
Iron
Aluminum
Silicon
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The function of a step-up transformer is to
Decrease voltage
Increase voltage
Decrease current
Increase power
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The turns ratio of a transformer is defined as:
Primary voltage to secondary voltage
Secondary voltage to primary voltage
Primary turns to secondary turns
Secondary turns to primary turns
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The main purpose of using laminated cores in transformers is to
Reduce copper loss
Reduce eddy current loss
Increase magnetic flux
Reduce weight
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the load on the secondary side of a transformer increases, the primary current
Decreases
Remains the same
Increases
Fluctuates
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The capacitance of a parallel plate capacitor depends on
Plate thickness and material
Voltage applied
Plate area and plate separation
Current through the plates
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