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WorksheetsField Effect Transistor (FET)
Total questions: 15
Worksheet time: 13mins
FET is a voltage controlled device.
True
False
Which of the following statement is true about FET?
It has high output impedance
It has high input impedance
It has low input impedance
It does not offer any resistance
Comparing the size of BJT and FET, choose the correct statement?
BJT is larger than the FET
BJT is smaller than the FET
Both are of same size
Depends on application
What is the main advantage of FET which makes it more useful in industrial applications?
Voltage controlled operation
Less cost
Small size
Semiconductor device
For an n-channel FET, What is the direction of current flow?
Source to drain
Drain to source
Gate to source
Gate to drain
For a p-channel FET, What is the direction of current flow?
Source to drain
Drain to source
Gate to source
Gate to drain
A JFET has three terminals, namely …………
cathode, anode, grid
emitter, base, collector
source, gate, drain
none of the above
A JFET is also called …………… transistor
unipolar
bipolar
unijunction
none of the above
A JFET is a ………… driven device.
current
voltage
both current and voltage
none of the above
The input control parameter of a JFET is ……………
gate voltage
source voltage
drain voltage
gate current
A JFET has high input impedance because …………
it is made of semiconductor material
input is reverse biased
of impurity atoms
none of the above
When VGS = 0 V, a JFET is……….
saturated
an analog device
an open switch
an open switch
The transconductance curve of a JFET is a graph of …………… vs ……….
IS versus VDS
IC versus VCE
ID versus VGS
ID × RDS
Amplifiers designed to handle AC signals are called....
large signals amplifiers
small signals amplifiers
thick signals amplifiers
thin signals amplifiers
D-MOSFET can operate in.....
enhancement mode
depletion mode
depletion and enhancement mode
breakdown mode
