Exercise: Field Effect Transistors

Questions for: Field Effect Transistors

The transconductance curve of a JFET is a graph of:
A:
IS versus VDS
B:
IC versus VCE
C:
ID versus VGS
D:
ID × RDS
Answer: C
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The type of bias most often used with E-MOSFET circuits is:
A:
constant current
B:
drain-feedback
C:
voltage-divider
D:
zero biasing
Answer: B
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How will a D-MOSFET input impedance change with signal frequency?
A:
As frequency increases input impedance increases.
B:
As frequency increases input impedance is constant.
C:
As frequency decreases input impedance increases.
D:
As frequency decreases input impedance is constant.
Answer: C
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Which type of JFET bias requires a negative supply voltage?
A:
feedback
B:
source
C:
gate
D:
voltage divider
Answer: C
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With a JFET, a ratio of output current change against an input voltage change is called:
A:
transconductance
B:
siemens
C:
resistivity
D:
gain
Answer: A
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