Explore topic-wise MCQs in Transformers.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Transformers knowledge and support exam preparation. Choose a topic below to get started.

1.

Relative voltage ratio curve for an output transformer is _______________

A. Circular
B. Straight line
C. Bell shaped
D. Irregular curve
Answer» D. Irregular curve
2.

What is the gain of the transformer in low-frequency region?

A. [N<sub>2</sub>/N<sub>1</sub>] [R<sub>L</sub> /(R+R<sub>L</sub> )].
B. [N<sub>2</sub>/N<sub>1</sub>] [R<sub>L</sub> /(R+R<sub>L</sub> +j L)].
C. A<sub>H</sub>=A<sub>0</sub>/ [1+( / H)<sup>2</sup>].
D. A<sub>L</sub>=A<sub>0</sub>/ [1+( / L)<sup>2</sup>]<sup>1/2</sup>
Answer» E.
3.

When series leakage inductances are not ignored but shunt inductances are considered in parallel then the region is called as _____________

A. low-frequency region
B. high-frequency region
C. mid-frequency region
D. ultra high-frequency region
Answer» B. high-frequency region