Electronic Devices - Two-Terminal Devices

Exercise :: Two-Terminal Devices - General Questions

21. 

Which of the following metals is (are) used in the fabrication of Schottky diodes?

A. Molybdenum
B. Platinum
C. Tungsten
D. All of the above

Answer: Option D

Explanation:

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22. 

What is the resistance of thermistors at boiling temperature (100ºC)?

A. 5 k
B. 1 k
C. 100
D. 1

Answer: Option C

Explanation:

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23. 

Which of the following areas is (are) applications of varactor diodes?

A. FM modulators
B. Automatic-frequency control devices
C. Adjustable bandpass filters
D. All of the above

Answer: Option D

Explanation:

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24. 

This is an approximate equivalent circuit for the ________ diode.

A. Schottky
B. varicap
C. tunnel

Answer: Option A

Explanation:

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25. 

Which of the following materials is (are) used in the manufacturing of thermistors?

A. Ge
B. Si
C. A mixture of oxides of cobalt, nickel, strontium, or manganese
D. All of the above

Answer: Option D

Explanation:

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