Exercise: Field Effect Transistors

Questions for: Field Effect Transistors

Which component is considered to be an "OFF" device?
A:
transistor
B:
JFET
C:
D-MOSFET
D:
E-MOSFET
Answer: D
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What is the transconductance of an FET when ID = 1 mA and VGS = 1 V?
A:
1 kS
B:
1 mS
C:
1 k
D:
1 m
Answer: B
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The overall input capacitance of a dual-gate D-MOSFET is lower because the devices are usually connected:
A:
in parallel
B:
with separate insulation
C:
with separate inputs
D:
in series
Answer: D
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Using voltage-divider biasing, what is the voltage at the gate VGS?

mcq13_1010_1.gif
A:
5.2 V
B:
4.2 V
C:
3.2 V
D:
2.2 V
Answer: A
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The common-source JFET amplifier has:
A:
a very high input impedance and a relatively low voltage gain
B:
a high input impedance and a very high voltage gain
C:
a high input impedance and a voltage gain less than 1
D:
no voltage gain
Answer: A
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