Electronic Devices Circuits Question Papers Online Exam Quiz
Electronic Devices Circuits Question Papers GK Quiz. Question and Answers related to Electronic Devices Circuits Question Papers. MCQ (Multiple Choice Questions with answers about Electronic Devices Circuits Question Papers
The input resistance of the base of a voltage-divider biased transistor can be neglected _________
Options
A : at all times
B : only if the base current is much smaller than the current through R2 (the lower bias resistor)
C : at no time
D : only if the base current is much larger than the current through R2 (the lower bias resistor
What is the most common bias circuit?
Options
A : Base
B : Collector
C : Emitter
D : Voltage-divider
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
Voltage-divider bias has a relatively stable Q-point, as does_________
Options
A : base bias
B : collector-feedback bias
C : emitter bias
D : both base and emitter bias
Which transistor bias circuit arrangement has poor stability because its Q-point varies widely with ? DC?
Options
A : base bias
B : voltage-divider bias
C : emitter bias
D : collector bias
The linear (active) operating region of a transistor lies along the load line below ________ and above ___________
Options
A : cut off, saturation
B : saturation, cut off
C : active, saturation
D : cut off, active
Ideally, for non linear operation, a transistor should be biased so that the Q-point is ________
Options
A : near saturation
B : near cut off
C : where Ic is maximum
D : halfway between cut off and saturation
Emitter bias requires _______
Options
A : only a positive supply voltage
B : only a negative supply voltage
C : no supply voltage
D : both positive and negative supply voltage
What is the Q-point for a fixed-bias transistor with IB = 75 µ A , ?DC = 100, VCC = 20 V, and RC = 1.5 K Ohm?
Options
A : VC = 0 V
B : VC =12.25V
C : VC = 8.75 V
D : VC = 20V
The most stable biasing technique used is the ____________
Options
A : voltage-divider bias.
B : base bias
C : emitter bias
D : collector bias
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