Explore topic-wise MCQs in Transformers.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Transformers knowledge and support exam preparation. Choose a topic below to get started.

1.

When does capacitor is included in equivalent circuit of transformer?

A. Transformer of very high VA rating
B. Transformer with very high frequency operation
C. Transformer with less VA
D. Never
Answer» C. Transformer with less VA
Discussion
2.

Parallel parameters in a transformer equivalent circuit contains ___________

A. G<sub>i</sub> and B<sub>m</sub>
B. R<sub>1</sub> and X<sub>1</sub>
C. R<sub>2</sub> and X<sub>2</sub>
D. Cannot be determined
Answer» B. R<sub>1</sub> and X<sub>1</sub>
Discussion
3.

To convert an ideal transformer into a practical transformer we add ____________

A. Primary winding resistance and secondary winding resistance
B. Primary winding leakage reactance and secondary winding leakage reactance
C. Primary winding resistance, leakage and secondary winding leakage reactance
D. Cannot be determined
Answer» D. Cannot be determined
Discussion
4.

Both resistances and leakage reactances of the transformer windings are __________

A. Series effects
B. Parallel effects
C. Series-parallel effects
D. Cannot say
Answer» B. Parallel effects
Discussion
5.

When does transformer breath in?

A. load on it increases
B. load on it decreases
C. load remains constant
D. cannot be determined
Answer» C. load remains constant
Discussion