EE MCQ
EE MCQ
Home
Quiz
Contact Us
Transformers
The hum in a transformer is mainly attributed to
load changes
oil in the transformer
magnetostriction
mechanical vibrations
load changes
oil in the transformer
magnetostriction
mechanical vibrations
Answer
Download EE MCQ app
Related Question
Transformers
When load on a transformer is increased, the eddy current _____
Is decreased
Remains unchanged
None of the listed here
Is increased
Is decreased
Remains unchanged
None of the listed here
Is increased
Answer
Download EE MCQ app
Transformers
In the short circuit test on a transformer, we generally short circuit ______
Low voltage winding
High voltage winding
Either low or high voltage winding
None of the listed here
Low voltage winding
High voltage winding
Either low or high voltage winding
None of the listed here
Answer
Download EE MCQ app
Transformers
Which of the following 3 phase connections of transformer create disturbances in communication systems
Delta/Star
Star/Star
Star/Delta
Delta/Delta
Delta/Star
Star/Star
Star/Delta
Delta/Delta
Answer
Download EE MCQ app
Transformers
A transformer transfers electrical energy from primary to secondary usually with a change in ______
Time period
Power
Voltage
Frequency
Time period
Power
Voltage
Frequency
Answer
Download EE MCQ app
Transformers
The eddy current loss in a transformer is directly proportional to _______.
Square of thickness of core lamination
Thickness of core lamination
The supply frequency
The flux density in the core
Square of thickness of core lamination
Thickness of core lamination
The supply frequency
The flux density in the core
Answer
Download EE MCQ app
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram