Explore topic-wise MCQs in Transformers.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Transformers knowledge and support exam preparation. Choose a topic below to get started.

1.

Total cross-sectional area of earthing conductor depends on _____________

A. Minimum fault current
B. Maximum fault current
C. System output voltage
D. System input voltage
Answer» C. System output voltage
Discussion
2.

Considering transformer as a magnetically coupled circuit, the voltage at the primary of the transformer is _________________

A. R<sub>1</sub>i<sub>1</sub> + L<sub>1</sub>*di<sub>1</sub>/dt M*di<sub>2</sub>/dt
B. R<sub>1</sub>i<sub>1</sub> + L<sub>1</sub>*di<sub>1</sub>/dt + M*di<sub>2</sub>/dt
C. R<sub>1</sub>i<sub>1</sub> L<sub>1</sub>*di<sub>1</sub>/dt + M*di<sub>2</sub>/dt
D. R<sub>1</sub>i<sub>1</sub> L<sub>1</sub>*di<sub>1</sub>/dt M*di<sub>2</sub>/dt
Answer» B. R<sub>1</sub>i<sub>1</sub> + L<sub>1</sub>*di<sub>1</sub>/dt + M*di<sub>2</sub>/dt
Discussion