Characteristics of JFET Online Exam Quiz
Characteristics of JFET GK Quiz. Question and Answers related to Characteristics of JFET. MCQ (Multiple Choice Questions with answers about Characteristics of JFET
A P-channel JFET is___
Options
A : Always ON
B : Always OFF
C : Depletion mode JFET
D : Has an n-type substrate
An N-channel JFET is ___
Options
A : Always ON
B : Always OFF
C : Enhancement mode JFET
D : Has a p-type substrate
Consider the circuit provided. Total discharge time = 0.5 ms. Consider the diode to be an ideal diode, for a square wave input of ? 10 V, what is the percentage tilt? (C = 1MF & R = 50k Ohms)^
Options
A : 10%
B : 1%
C : 0.10%
D : 1.10%
Given input for the circuit is f = 1 KHz.^^ Diode cut-in voltage = 0.7 V^^ Output waveform:^^ For the given output, find V1 and discharge time?
Options
A : 4.3 V, 1ms
B : 4V, 0.5ms
C : 4.3V, 0.5ms
D : 5.7V, 1ms
How is the metallurgical channel thickness between the gate and the substrate related to the doping concentration of the channel?
Options
A : Inversely proportional to the square root of the doping concentration
B : Logarithmically related to the square root of the doping concentration
C : Directly proportional to the square root of the doping concentration
D : Exponentially related to the square root of the doping concentration
How is the transconductance at saturation related to the pinch off voltage of the JFET?
Options
A : Inversely proportional
B : Directly proportional
C : Inverse-squarely related
D : Directly and proportional to square of the pinch-off voltage
If channel thickness increases, the internal pinch-off voltage ___
Options
A : Decreases
B : Increases
C : Remains the same
D : Increases logarithmically
If the doping concentration of the gate increases, the internal pinch-off voltage ___
Options
A : Increases logarithmically
B : Increases linearly
C : Increases exponentially
D : Decreases linearly
In the given circuit, given that C=2MF and diode cut-in voltage, V? =0. Calculate the average output voltage.^
Options
A : 2V
B : 4V
C : -2V
D : -3V
The cut-off frequency of a JFET is ___
Options
A : linearly related to the transconductance of the JFET
B : inversely proportional to the transconductance of the JFET
C : exponentially related to the transconductance of the JFET
D : logarithmically related to the transconductance of the JFET
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