Electronic Devices Circuits Pinch Off Voltage Online Exam Quiz
Electronic Devices Circuits Pinch Off Voltage GK Quiz. Question and Answers related to Electronic Devices Circuits Pinch Off Voltage. MCQ (Multiple Choice Questions with answers about Electronic Devices Circuits Pinch Off Voltage
For what value of Vgs, the drain current will be 1/4th of its maximum current?
Options
A : 0
B : 1
C : Vp
D : Vp/2
For a n-channel FET, what is the condition of Vgs for which the current becomes zero?
Options
A : 0
B : 100V
C : Vp
D : Infinite
Find the current through gate if the FET was given with gate to source voltage =10V and drain to source voltage =20V, the pinch off voltage was -2V and ID=2mA.
Options
A : 10mA
B : 20mA
C : 0mA
D : 2mA
If a FET has a pinch off voltage =-1V and ID=1mA, If Vgs=0V, What is the value of IDSS?
Options
A : 1A
B : 1mA
C : 0A
D : 100mA
A p-channel Ge JFET has max-half channel width 5µm and channel conductivity of 2/?cm, if Er = 2000cm2/Vsec, What is the value of pinch off voltage?
Options
A : 8.21V
B : 82.1V
C : 88.21V
D : 5.2V
For a FET having IDSS=2mA Vgs=2V and Vp=-1V, What is the value of source current?
Options
A : 9mA
B : 18mA
C : 3mA
D : 1mA
What will happen if gate voltage applied is positive to pinch off voltage?
Options
A : Device burns
B : More current flows
C : Nothing happens
D : Current remains the same
What is the relation between the drain current and source current once the voltage crosses pinch off?
Options
A : ID = IS
B : ID = IS + 1.5
C : ID = 1/IS
D : IS – 2ID = 0
What is pinch off voltage?
Options
A : The minimum voltage required to turn on the FET
B : The maximum voltage a FET can withstand
C : Current amplification factor/voltage gain
D : The value of voltage at which the current gets pinched to zero
How does a FET behave when the v-I characteristics are to the left of pinch off for an n channel FET?
Options
A : Voltage controlled resistor
B : Amplifier
C : Switch
D : Diode
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