Field Effect Transistors (FET) - General Questions (4)

Directions to Solve

Field Effect Transistors (FET) - General Questions

25.

A MOSFET has how many terminals?

A.	2 or 3
B.	3
C.	4
D.	3 or 4

Answer: Option D

Explanation:

No answer description available for this questio

26.

In the constant-current region, how will the I_DS 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: Option A

Explanation:

No answer description available for this ques

27.

When testing an n-channel D-MOSFET, resistance G to D = , resistance G to S = , resistance D to SS = and 500 , depending on the polarity of the ohmmeter, and resistance D to S = 500 . What is wrong?

A.	short D to S
B.	open G to D
C.	open D to SS
D.	nothing

Answer: Option D

Explanation:

No answer description available for this question

28.

A "U" shaped, opposite-polarity material built near a JFET-channel center is called the:

A.	gate
B.	block
C.	drain
D.	heat sink

Answer: Option A

Explanation:

No answer description available for this question

29.

D-MOSFETs are sometimes used in series to construct a cascode high-frequency amplifier to overcome the loss of:

A.	low output impedance
B.	capacitive reactance
C.	high input impedance
D.	inductive reactance

Answer: Option C

Explanation:

No answer description available for this question

30.

When not in use, MOSFET pins are kept at the same potential through the use of:

A.	shipping foil
B.	nonconductive foam
C.	conductive foam
D.	a wrist strap

Answer: Option C

Explanation:

No answer description available for this question

31.

When an input delta of 2 V produces a transconductance of 1.5 mS, what is the drain current delta?

A.	666 mA
B.	3 mA
C.	0.75 mA
D.	0.5 mA

Answer: Option B

Explanation:

No answer description available for this question

32.

Junction Field Effect Transistors (JFET) contain how many diodes?

A.	4
B.	3
C.	2
D.	1

Answer: Option C

Explanation:

No answer description available for this question

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