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WorksheetsUNIT-3_MOSFET Quiz
Total questions: 20
Worksheet time: 23mins
1. The MOSFET stands for.....
Metal oxidized selenium FET
Metal oxide surface FET
Metal oxide semiconductor FET
Metal of surface FET
………… is the best electronic device for fast switching.
MOSFET
JFET
BJT
Triode
MOSFET is also known as….
IGBJT
IGFET
IGBET
None
For an n-channel enhancement mode MOSFET, the drain current :
Decreases with increases in drain voltage
Decreases with decrease in drain voltage
Increases with increases in gate voltage
Increases with decrease in gate voltage
The main factor which differentiates a DEMOSFET from an E-only MOSFET is the absence of :
P-N junctions
Insulated gate
Electrons
Channel
Number of Terminals in a MOSFET are :
Two
Three
Four
Five
The controlling parameter in MOSFET is
Vds
Ig
Vgs
Is
A MOSFET can be operated with ……………..
Negative gate voltage only
Positive gate voltage only
Positive as well as negative gate voltage
None of the above
Which component is considered to be an “OFF” device?
Transistor
JFET
D-MOSFET
E-MOSFET
Which property of MOSFET distinguishes it from JFET regarding to voltage application in addition to operational strategies and mechanisms?
Provision of applying positive and negative voltages to gate being insulated from channel
Provision of applying only positive voltage to gate to E-MOSFET
Provision of applying only negative voltage to gate to DE-MOSFET
All of the above
Which action plays a significant role in enhancing the conductivity of channel by inducing the free electrons especially in enhancement mode of N-channel MOSFET?
Inductor action
Capacitor action
Resistive action
Filter action
The main application of the enhancement mode MOSFET is :
Amplification
Switching
Tuning
Rectification
MOSFET has greatest application in digital circuit due to…
Low power consumption
Less noise
Small amount of space it takes on a chip
All of the above
The main types of field effect transistor are
BJT and FET
UJT and FET
JFET and MOSFET
None of the above
A n-channel D-MOSFET with a positive VGS is operating in …………
The depletion-mode
The enhancement-mode
Cut off
Saturation
The operation of DE-MOSFET under the application of positive gate is also known as ________.
Depletion Mode
Enhancement Mode
Depletion- Enhancement Mode
None of the above
In MOSFETs N-channel is more preferred than P-channel because
It is cheaper
It is faster
It has better drive capability
It has better noise immunity
A certain p-channel E-MOSFET has VGS(th) = -2V. If VGS= 0V, the drain current is ……….
0 mA
ID(ON)
Maximum
IDSS
Which MOSFET allows the flow of drain current even with zero gate to source voltage just due to existence of channel between drain and source terminals?
Depletion MOSFET
Enhancement MOSFET
Depletion-Enhancement MOSFET
All of the above
The input impedance of a MOSFET is of the order of ………..
Ω
A few hundred Ω
kΩ
Several MΩ
