Transformers - General Questions

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Transformers - General Questions

A transformer has

A.	primary and secondary windings, both of which are considered inputs
B.	primary and secondary windings, both of which are considered outputs
C.	a primary winding used as an output and a secondary winding used as an input
D.	a primary winding used as an input and a secondary winding used as an output

Answer: Option D

Explanation:

No answer description available for this question

If the primary power of an ideal transformer having a 2:1 voltage ratio is 100 W, the secondary power is

A.	100 W
B.	50 W
C.	75 W
D.	200 W

Answer: Option A

Explanation:

No answer description available for this question

mcq14_1004 (2)

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

A.	80
B.	400
C.	2 k
D.	10 k

Answer: Option A

Explanation:

No answer description available for this question

A special transformer used to convert unbalanced signals to balanced signals is the

A.	balun
B.	autotransformer
C.	center-tapped transformer
D.	step-across transformer

Answer: Option A

Explanation:

No answer description available for this question

mcq14_1004 (1)

What is the power dissipated in the primary of the transformer in the given circuit?

A.	25 mW
B.	500 mW
C.	12.5 W
D.	62.5 W

Answer: Option D

Explanation:

No answer description available for this question.

mcq14_1004

What is the current through the load in the given circuit?

A.	500 A
B.	10 mA
C.	250 mA
D.	1.25 A

Answer: Option C

Explanation:

No answer description available for this question.

Mutual induction is dependent on

A.	winding ratios
B.	output polarities
C.	dc voltage levels
D.	current changes

Answer: Option D

Explanation:

No answer description available for this question

The transformer turns ratio determines

A.	the ratio of primary and secondary voltages
B.	the ratio of primary and secondary currents
C.	the reflected impedance
D.	all of the above

Answer: Option D

Explanation:

No answer description available for this question

Transformers - General Questions

Transformers - General Questions

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