Electronic Devices Circuits Common Source Amplifier Online Exam Quiz
Electronic Devices Circuits Common Source Amplifier GK Quiz. Question and Answers related to Electronic Devices Circuits Common Source Amplifier. MCQ (Multiple Choice Questions with answers about Electronic Devices Circuits Common Source Amplifier
A Self bias configuration contains RD=3.3, Rs=1 K?, RG=1M? and gm=1.5mS. Determine Av?
Options
A : -2
B : 3
C : -4
D : 5
A sinusoidal signal has 1.5V at t=2S, If this signal is given to Common source amplifier with |Av|=5V, what will be its output at t=2S?
Options
A : 7.5V
B : -7.5V
C : 0
D : 15V
If gain is need to be stabilized, which of the following element is used for a Common source amplifier?
Options
A : Capacitive
B : Inductive
C : Resistive
D : LC tank circuit
What is the reason for connecting a capacitor in parallel with Rs?
Options
A : It blocks the noise
B : For ac signal it acts a short circuit resulting in grounding source terminal
C : It blocks the noise & for ac signal it acts a short circuit resulting in grounding source terminal
D : To increase impedance
Which of the following statement is true about FET common source amplifier compared to BJT amplifier?
Options
A : It has High input impedance
B : It has low input impedance
C : No input Voltage is needed
D : Input Voltage is needed
Which of the following is true about the common Source amplifier?
Options
A : It has low input impedance
B : It has high output impedance
C : Infinite gain
D : Phase reversal voltage output
An amplifier is designed using fixed bias configuration, what is its input impedance (source Resistor is un bypassed)?
Options
A : RD+rd
B : RG
C : RD || rd
D : 0
An amplifier is designed using fixed bias configuration, what is its output impedance (source Resistor is bypassed)?
Options
A : RD+rd
B : RG
C : RD || rd
D : 0
For a self bias amplifier, RS=RD, the output will be_________________
Options
A : Same as Input
B : Same as input but phase reversed
C : 0
D : Infinite
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