WorksheetsMOSFET Basics
Total questions: 13
Worksheet time: 7mins
The drain current (n-MOSFET) is varied by
Gate to source voltage
Gate current
Source Voltage
None of the mentioned
Choose the correct statement
MOSFET is a unipolar, voltage controlled, two terminal device
MOSFET is a bipolar, current controlled, three terminal device
MOSFET is a unipolar, voltage controlled, three terminal device
MOSFET is a bipolar, current controlled, two terminal device
The output characteristics of a MOSFET, is a plot of
Id as a function of Vgs with Vds as a parameter
Id as a function of Vds with Vgs as a parameter
Ig as a function of Vgs with Vds as a parameter
Ig as a function of Vds with Vgs as a parameter
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
Depletion mode MOSFETs are more commonly used as
switches
resistors
buffers
capacitors
In N channel MOSFET which is the more negative of the elements?
source
gate
drain
source and drain
The drain current is varied by
Gate to source voltage
Gate current
Source Voltage
None of the mentioned
What is the effect of Enhancement and Depletion MOSFET ?
Increase and Decrease of Majority Carriers
Decrease and Increase of Majority Carriers
Equal number of majority carriers
Both will increase
In which region the MOSFET acts as an amplifier?
cutoff region
saturation region
triode/linear region
none
Which MOS capacitor is biased with a voltage and the majority carriers in the semiconductor gather at the oxide-semiconductor interface. The MOS capacitor is biased in which region?is used for high power applications?
Accumulation
MOSFET
Flat band
Inversion
The figure shows a MOS Capacitor, please state the correct region for
Substrate
oxide
bulk
Gate
The figure shows an energy band diagram of a MOSCAP at
Accumulation
Depletion
Equilibrium
saturation
The oxide layer formed in the MOSFET is
Metal Metal oxideoxide
Poly Silicon oxide
Silicon dioxide
Oxides of Non metals
