In Class A Operation, The Input Circuit Of A Jfet Is ____________ Biased?
In Class A Operation, The Input Circuit Of A Jfet Is ____________ Biased?
reverse | |
Forward | |
Not | |
None Of The Above |
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Electrical Engineering mcqs
In A P-Channel Jfet, The Charge Carriers Are _____________?
In A P-Channel Jfet, The Charge Carriers Are _____________?
None Of The Above | |
holes | |
Electrons | |
Both Electrons And Holes |
In A Jfet, When Drain Voltage Is Equal To Pinch-Off Voltage, The Depletion Layers ______________?
In A Jfet, When Drain Voltage Is Equal To Pinch-Off Voltage, The Depletion Layers ______________?
None Of The Above | |
almost touch each other | |
Have Large Gap | |
Have Moderate Gap |
In A Jfet, Idss Is Known As ________________?
In A Jfet, Idss Is Known As ________________?
None Of The Above | |
drain to source current with gate shorted | |
Drain To Source Current With Gate Open | |
Drain To Source Current |
In A Fet, There Are _____________Pn Junctions At The Sides?
In A Fet, There Are _____________Pn Junctions At The Sides?
two | |
Five | |
Three | |
Four |
In A Certain Common-Source D-Mosfet Amplifier, Vds =3.2 V R.M. And Vgs = 280 Mv R.M.S. The Voltage Gain Is_______________?
In A Certain Common-Source D-Mosfet Amplifier, Vds =3.2 V R.M. And Vgs = 280 Mv R.M.S. The Voltage Gain Is_______________?
11.4 | |
8.75 | |
1 | |
3.2 |
If The Reverse Bias On The Gate Of A Jfet Is Increased, Then Width Of The Conducting Channel ______________?
If The Reverse Bias On The Gate Of A Jfet Is Increased, Then Width Of The Conducting Channel ______________?
None Of The Above | |
is decreased | |
Remains The Same | |
Is Increased |
If The Gate Of A Jfet Is Made Less Negative, The Width Of The Conducting Channel__________________?
If The Gate Of A Jfet Is Made Less Negative, The Width Of The Conducting Channel__________________?
Is Decreased | |
is increased | |
Remains The Same | |
None Of The Above |
If The Cross-Sectional Area Of The Channel In N-Channel Jeft Increases, The Drain Current _____________?
If The Cross-Sectional Area Of The Channel In N-Channel Jeft Increases, The Drain Current _____________?
Is Decreased | |
is increased | |
Remains The Same | |
None Of The Above |
If Load Resistance In The Above Question (Q.49) Is Removed, The Output Voltage Will_____________?
If Load Resistance In The Above Question (Q.49) Is Removed, The Output Voltage Will_____________?
Stay The Same | |
increase | |
Decrease | |
Be Zero |
For Vgs = 0 V, The Drain Current Becomes Constant When Vds Exceeds ________________?
For Vgs = 0 V, The Drain Current Becomes Constant When Vds Exceeds ________________?
V | |
VP | |
Vdd | |
Cut Off |
At Cut-Off, The Jfet Channel Is _____________?
At Cut-Off, The Jfet Channel Is _____________?
completely closed by the depletion region | |
Extremely Narrow | |
Reverse Baised | |
At Its Widest Point |
A N-Channel D-Mosfet With A Positive Vgs Is Operating In _______________?
A N-Channel D-Mosfet With A Positive Vgs Is Operating In _______________?
Cut Off | |
the enhancement-mode | |
Saturation | |
The Depletion-Mode |
A Mosfet Uses The Electric Field Of A _______________To Control The Channel Current?
A Mosfet Uses The Electric Field Of A _______________To Control The Channel Current?
Generator | |
capacitor | |
None Of The Above | |
Battery |
A Mosfet Is Sometimes Called______________ Jfet?
A Mosfet Is Sometimes Called______________ Jfet?
insulated gate | |
Shorted Gate | |
Open Gate | |
Many Gate |
A Mosfet Has______________ Terminals?
A Mosfet Has______________ Terminals?
Four | |
three | |
Five | |
Two |
A Mosfet Differs From A Jfet Mainly Because _________________?
A Mosfet Differs From A Jfet Mainly Because _________________?
Of Power Rating | |
None Of The Above | |
The Mosfet Has Two Gates | |
the JFET has a pn junction |
A Mosfet Can Be Operated With________________?
A Mosfet Can Be Operated With________________?
Positive Gate Voltage Only | |
positive as well as negative gate voltage | |
Negative Gate Voltage Only | |
None Of The Above |
A Jfet Is Similar In Operation To ___________ Valve?
A Jfet Is Similar In Operation To ___________ Valve?
Diode | |
Tetrode | |
pentode | |
Triode |
A Jfet Is A__________ Driven Device?
A Jfet Is A__________ Driven Device?
voltage | |
None Of The Above | |
Both Current And Voltage | |
Current |
A Jfet Is Also Called____________ Transistor?
A Jfet Is Also Called____________ Transistor?
None Of The Above | |
unipolar | |
Bipolar | |
Unijunction |
A Jfet Has ____________ Power Gain?
A Jfet Has ____________ Power Gain?
very high | |
None Of The Above | |
Small | |
Very Small |
A Jfet Has Three Terminals, Namely________________?
A Jfet Has Three Terminals, Namely________________?
Cathode, Anode, Grid | |
Emitter, Base, Collector | |
None Of The Above | |
source, gate, drain |
A Jfet Has High Input Impedance Because _________________?
A Jfet Has High Input Impedance Because _________________?
None Of The Above | |
Of Impurity Atoms | |
It Is Made Of Semiconductor Material | |
input is reverse biased |
A Cs Jfet Amplifier Has A Load Resistance Of 10 Ko , Rd= 820o . If Gm= 5ms And Vin= 500 Mv, The Output Signal Voltage Is__________________?
A Cs Jfet Amplifier Has A Load Resistance Of 10 Ko , Rd= 820o . If Gm= 5ms And Vin= 500 Mv, The Output Signal Voltage Is__________________?
25 V | |
1.89 V | |
0.5 V | |
2.05 V |