Field-Effect Transistors - General Questions (3)

Directions to Solve

Field-Effect Transistors - General Questions

17. 

Identify the p-channel D-MOSFET.

mcq7_1007_1
A. a
B. b
C. c
D. d

Answer: Option B

Explanation:

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18. 

The JFET is always operated with the gate-source pn junction ________ -biased.
A. forward
B. reverse

Answer: Option B

Explanation:

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19. 

The value of VGS that makes ID approximately zero is the
A. pinch-off voltage.
B. cutoff voltage.
C. breakdown voltage.
D. ohmic voltage.

Answer: Option B

Explanation:

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20. 

Which of the following devices has the highest input resistance?
A. diode
B. JFET
C. MOSFET
D. bipolar junction transistor

Answer: Option C

Explanation:

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21. 

Refer to figure given below. Determine the value of VGS.

mcq7_1018_1 (2)
A. –20 V
B. –8 V
C. –6 V
D. –2 V

Answer: Option C

Explanation:

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22. 

Refer to the given figure. ID = 6 mA. Calculate the value of VDS.

mcq7_1013_1a
A. –6 V
B. 6 V
C. 12 V
D. –3 V

Answer: Option B

Explanation:

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23. 

On the drain characteristic curve of a JFET for VGS = 0, the pinch-off voltage is
A. below the ohmic area.
B. between the ohmic area and the constant current area.
C. between the constant current area and the breakdown region.
D. above the breakdown region.

Answer: Option B

Explanation:

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24. 

What type(s) of gate-to-source voltage(s) can a depletion MOSFET (D-MOSFET) operate with?
A. zero
B. positive
C. negative
D. any of the above

Answer: Option D

Explanation:

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