Transformers MCQ – Multiple Choices Questions and Answers

Transformers MCQ is contains huge collections of multiple choices questions about Transformers, Types of transformers, Emf Equation, Transformation Ratios, Copper and Iron losses , Equivalent circuits on load and no load, Parallel operation, Voltage Regulation, Testing and maintenance of transformers, Auto transformers and special types transformers

1. 
The silicon steel preferably used in transformer core. Because it has ___________

2. 
The transformer core ins laminated . It is because _____________

3. 
The thickness of a transformer core is t mm. The hysteresis losses occurs in transformer is proportional to

4. 
The voltage ratio of the transformer in between primary and secondary winding given by

5. 
The number of turns in a secondary side of the transformer is 38. The rating of the transformer is 3300/250V 50 HZ. Find the number of turns in secondary side

6. 
The number of turns in a secondary side of the transformer is 38. The rating of the transformer is 3300/250V 50 HZ.Find the emf induced per turn

7. 
A transformer connected with a input supply and operating at no load condition. The losses occurring inside the transformer are __________

8. 
A single phase transformer is having core thickness of t mm and magnetic flux density B. How eddy current losses are depends on these parameters?

9. 
Which is the following transformer is always connected with load throughout day

10. 
The general working principle of a transformer is

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