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Field Effect Transistors (FET)
Comments
Question
When is a vertical channel E-MOSFET used?
Options
A. for high frequencies
B. for high voltages
C. for high currents
D. for high resistances
Correct Answer
for high currents
Field Effect Transistors (FET) problems
Search Results
1. Which component is considered to be an "OFF" device?
Options
A. transistor
B. JFET
C. D-MOSFET
D. E-MOSFET
Show Answer
Scratch Pad
Discuss
Correct Answer: E-MOSFET
2. Which type of JFET bias requires a negative supply voltage?
Options
A. feedback
B. source
C. gate
D. voltage divider
Show Answer
Scratch Pad
Discuss
Correct Answer: gate
3. With the E-MOSFET, when gate input voltage is zero, drain current is:
Options
A. at saturation
B. zero
C. I
DSS
D. widening the channel
Show Answer
Scratch Pad
Discuss
Correct Answer: zero
4. What is the input impedance of a common-gate configured JFET?
Options
A. very low
B. low
C. high
D. very high
Show Answer
Scratch Pad
Discuss
Correct Answer: very low
5. A "U" shaped, opposite-polarity material built near a JFET-channel center is called the:
Options
A. gate
B. block
C. drain
D. heat sink
Show Answer
Scratch Pad
Discuss
Correct Answer: gate
6. A very simple bias for a D-MOSFET is called:
Options
A. self biasing
B. gate biasing
C. zero biasing
D. voltage-divider biasing
Show Answer
Scratch Pad
Discuss
Correct Answer: zero biasing
7. Junction Field Effect Transistors (JFET) contain how many diodes?
Options
A. 4
B. 3
C. 2
D. 1
Show Answer
Scratch Pad
Discuss
Correct Answer: 2
8. How will electrons flow through a p-channel JFET?
Options
A. from source to drain
B. from source to gate
C. from drain to gate
D. from drain to source
Show Answer
Scratch Pad
Discuss
Correct Answer: from drain to source
9. When an input delta of 2 V produces a transconductance of 1.5 mS, what is the drain current delta?
Options
A. 666 mA
B. 3 mA
C. 0.75 mA
D. 0.5 mA
Show Answer
Scratch Pad
Discuss
Correct Answer: 3 mA
10. If a signal passing through a gate is inhibited by sending a low into one of the inputs, and the output is HIGH, the gate is a(n):
Options
A. AND
B. NAND
C. NOR
D. OR
Show Answer
Scratch Pad
Discuss
Correct Answer: NAND
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