Transistor Bias Circuits - General Questions (4)

Directions to Solve

25.

What is the dc input resistance at the base of a BJT?

Answer: Option D

Explanation:

No answer description available for this question

26.

Refer to the given figure. The most probable cause of trouble, if any, from these voltage measurements is

mcq5_1015_1b

A.	the base-emitter junction is open.
B.	RE is open.
C.	a short from collector to emitter.
D.	no problems.

Answer: Option D

Explanation:

No answer description available for this question.

27.

Refer to the given figure. The most probable cause of trouble, if any, from these voltage measurements is

mcq5_1015_1d

A.	the base-emitter junction is open.
B.	RE is open.
C.	a short from collector to emitter.
D.	no problems.

Answer: Option A

Explanation:

No answer description available for this question.

28.

Which transistor bias circuit arrangement provides good stability using negative feedback from collector to base?

Answer: Option B

Explanation:

No answer description available for this question.

29.

Clipping is the result of

A.	the input signal being too large.
B.	the transistor being driven into saturation.
C.	the transistor being driven into cutoff.
D.	all of the above

Answer: Option D

Explanation:

No answer description available for this question