Transistor Bias Circuits - General Questions Online Exam Quiz
Transistor Bias Circuits - General Questions GK Quiz. Question and Answers related to Transistor Bias Circuits - General Questions. MCQ (Multiple Choice Questions with answers about Transistor Bias Circuits - General Questions
Clipping is the result of
Options
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
Which transistor bias circuit arrangement provides good stability using negative feedback from collector to base?
Options
A : base bias
B : collector-feedback bias
C : voltage-divider bias
D : emitter bias
Refer to the given figure. The most probable cause of trouble, if any, from these voltage measurements is
Options
A : the base-emitter junction is open.
B : R E is open.
C : a short from collector to emitter.
D : no problems.
Refer to the given figure. The most probable cause of trouble, if any, from these voltage measurements is
Options
A : the base-emitter junction is open.
B : R E is open.
C : a short from collector to emitter.
D : no problems.
What is the dc input resistance at the base of a BJT?
Options
A : DC R C
B : DC ·( )
C : DC ·r e ?
D : DC R E
Which transistor bias circuit provides good Q-point stability with a single-polarity supply voltage?
Options
A : base bias
B : collector-feedback bias
C : voltage-divider bias
D : emitter bias
Refer to this figure. In the voltage-divider biased npn transistor circuit, if R 2 opens, the transistor is
Options
A : saturated.
B : cutoff.
C : nonconducting.
D : -
Ideally, for linear operation, a transistor should be biased so that the Q-point is
Options
A : near saturation.
B : near cutoff.
C : where I C is maximum.
D : halfway between cutoff and saturation.
The most stable biasing technique used is the
Options
A : voltage-divider bias.
B : base bias.
C : emitter bias.
D : collector bias.
Refer to this figure. The value of I B is
Options
A : 53 A.
B : 50 A.
C : 50 mA.
D : 53 mA.
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