FET Amplifiers - General Questions Online Exam Quiz
FET Amplifiers - General Questions GK Quiz. Question and Answers related to FET Amplifiers - General Questions. MCQ (Multiple Choice Questions with answers about FET Amplifiers - General Questions
A common-gate amplifier is similar in configuration to which BJT amplifier?
Options
A : common-emitter
B : common-collector
C : common-base
D : emitter-follower
The theoretical efficiency of a class D amplifier is
Options
A : 75%.
B : 85%.
C : 90%.
D : 100%.
A common-source amplifier is similar in configuration to which BJT amplifier?
Options
A : common-base
B : common-collector
C : common-emitter
D : emitter-follower
Referring to this figure, calculate A v if r d = 19 k .
Options
A : –2.85
B : –3.26
C : –2.95
D : –3.21
A common-drain amplifier is similar in configuration to which BJT amplifier?
Options
A : common-emitter
B : common-collector
C : common-base
D : common-gate
Referring to this figure, calculate A v for y os = 58 S.
Options
A : –7.29
B : –7.50
C : –8.05
D : –8.55
Use the following equation to calculate g m for a JFET having I DSS = 10 mA, V P = –5 V, and V GS Q = –2.5 V.
Options
A : 2 mS
B : 3 mS
C : 4 mS
D : 5 mS
For what value of I D is g m equal to 0.5 g m0 ?
Options
A : 0 mA
B : 0.25 I DSS
C : 0.5 I DSS
D : I DSS
Referring to the following figure, calculate g m for V GS Q = –1.25 V.
Options
A : 2 mS
B : 2.5 mS
C : 2.75 mS
D : 3.25 mS
Referring to this figure, calculate the value of R D if the ac gain is 10. Assume V GSQ = ¼V p .
Options
A : 2.2 k
B : 2.42 k
C : 2.62 k
D : 2.82 k
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