BJT Amplifiers - General Questions (5)

Directions to Solve

BJT Amplifiers - General Questions

33.

In a common-base amplifier, the input signal is connected to the

A.	base.
B.	collector.
C.	emitter.
D.	output.

Answer: Option C

Explanation:

No answer description available for this question.

34.

Refer to this figure. Determine the value of V_C.

mcq6_1009_11

A.	20 V
B.	10 V
C.	5 V
D.	0 V

Answer: Option C

Explanation:

No answer description available for this question.

35.

When the bypass capacitor is removed from a common-emitter amplifier, the voltage gain

A.	increases.
B.	decreases.
C.	has very little effect.

Answer: Option B

Explanation:

No answer description available for this question.

36.

Refer to this figure. You notice while servicing this amplifier that the output signal at V_out is reduced from normal. The problem could be caused by.

mcq6_1019_1

A.	an open C3.
B.	an open C2.
C.	an open base-emitter of Q2.
D.	a shorted C2.

Answer: Option B

Explanation:

No answer description available for this question.

37.

The ________ configuration is frequently used for impedance matching.

A.	fixed-bias
B.	voltage-divider bias
C.	emitter-follower
D.	collector feedback

Answer: Option C

Explanation:

No answer description available for this question.

38.

Under which of the following condition(s) is the current gain

mcq05_01900

A.	ro 10RC
B.	RB 10re
C.	ro 10RC and RB 10re
D.	None of the above

Answer: Option C

Explanation:

No answer description available for this question.

39.

The ________ model suffers from being limited to a particular set of operating conditions if it is to be considered accurate.

A.	hybrid equivalent
B.	re
C.
D.	Thevenin

Answer: Option A

Explanation:

No answer description available for this question.

40.

The differential amplifier produces outputs that are

A.	common mode.
B.	in-phase with the input voltages.
C.	the sum of the two input voltages.
D.	the difference of the two input voltages.

Answer: Option D

Explanation:

No answer description available for this question.

BJT Amplifiers - General Questions (5)

BJT Amplifiers - General Questions

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