Explore topic-wise MCQs in Transformers.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Transformers knowledge and support exam preparation. Choose a topic below to get started.

1.

The parallel circuit model is drawn because _________________

A. Conductance Gi accounts for core-loss current
B. Inductive susceptance Bm accounts for magnetizing current
C. Gi for core loss current and Bm for magnetizing current
D. Cannot say
Answer» D. Cannot say
Discussion
2.

Ii in no-load test is responsible for ______________

A. Production of flux
B. Reactive power drawn from the supply
C. Active power drawn from the supply
D. No significance
Answer» D. No significance
Discussion
3.

9.Third harmonic current in transformer at no-load is ______________

A. 3% of exciting current
B. 10% of exciting current
C. 25% of exciting current
D. 35% of exciting current
Answer» E.
Discussion
4.

What is the no-load current drawn by transformer?

A. 0.2 to 0.5 per cent
B. 2 to 5 per cent
C. 12 to 15 per cent
D. 20 to 30 per cent
Answer» C. 12 to 15 per cent
Discussion