Exercise: Field Effect Transistors

Questions for: Field Effect Transistors

JFET terminal "legs" are connections to the drain, the gate, and the:
A:
channel
B:
source
C:
substrate
D:
cathode
Answer: B
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What is the input impedance of a common-gate configured JFET?
A:
very low
B:
low
C:
high
D:
very high
Answer: A
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IDSS can be defined as:
A:
the minimum possible drain current
B:
the maximum possible current with VGS held at –4 V
C:
the maximum possible current with VGS held at 0 V
D:
the maximum drain current with the source shorted
Answer: C
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A MOSFET has how many terminals?
A:
2 or 3
B:
3
C:
4
D:
3 or 4
Answer: D
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In the constant-current region, how will the IDS change in an n-channel JFET?
A:
As VGS decreases ID decreases.
B:
As VGS increases ID increases.
C:
As VGS decreases ID remains constant.
D:
As VGS increases ID remains constant.
Answer: A
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