Electronic Devices Circuits Comparison Transistor Amplifier Online Exam Quiz
Electronic Devices Circuits Comparison Transistor Amplifier GK Quiz. Question and Answers related to Electronic Devices Circuits Comparison Transistor Amplifier. MCQ (Multiple Choice Questions with answers about Electronic Devices Circuits Comparison Transistor Amplifier
Q. What should be the gain of an amplifier at 20 kHz if the half power frequencies are fL = 20 Hz and fH = 15 kHz along with mid band gain = 80?
Options
A : 22.76
B : 45.09
C : 40.08
D : 48.07
What is the phase-shift between input and output voltages of CE amplifier?
Options
A : 90°
B : 120°
C : 180°
D : 270°
Why is the Darlington configuration not suitable for more than two transistors?
Options
A : Because leakage current increases and voltage gain decreases with multiple numbers of transistors
B : Because leakage current decreases and voltage gain increases with multiple numbers of transistors
C : Because leakage current as well as voltage gain increases with multiple numbers of transistors
D : Because leakage current as well as voltage gain decreases with multiple numbers of transistors
Which type of amplifiers exhibits the current gain approximately equal to unity without any current amplification?
Options
A : CE
B : CB
C : CC
D : Cascade
The configuration in which current gain of transistor amplifier is lowest is ___________
Options
A : common collector
B : common base
C : common emitter
D : common emitter & base
The configuration in which output impedance of transistor amplifier is highest is ___________
Options
A : common collector
B : common base
C : common emitter
D : common collector and base
The configuration in which voltage gain of transistor amplifier is lowest is ____________
Options
A : common collector
B : common emitter
C : common base
D : common emitter & base
The configuration in which input impedance of transistor amplifier is lowest is ___________
Options
A : common collector
B : common emitter
C : common base
D : common emitter & base
Which among the below assertions is not a relevant property of CE amplifier?
Options
A : High voltage gain
B : High current gain
C : High input resistance
D : High output resistance
Which capacitor is used to block DC portion by allowing to pass only AC portion of the amplified signal to load?
Options
A : Input Coupling Capacitor
B : Bypass Capacitor
C : Output Coupling Capacitor
D : Both coupling and bypass capacitor
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