Electronics - Transformers

Exercise : Transformers - General Questions
11.
A special transformer used to convert unbalanced signals to balanced signals is the
balun
autotransformer
center-tapped transformer
step-across transformer
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.

If the load doubled in value in the given circuit, what reflected resistance would the source see?

80 omega.gif
400 omega.gif
2 komega.gif
10 komega.gif
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
If the primary power of an ideal transformer having a 2:1 voltage ratio is 100 W, the secondary power is
100 W
50 W
75 W
200 W
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
A transformer has
primary and secondary windings, both of which are considered inputs
primary and secondary windings, both of which are considered outputs
a primary winding used as an output and a secondary winding used as an input
a primary winding used as an input and a secondary winding used as an output
Answer: Option
Explanation:
No answer description is available. Let's discuss.