Electronic Devices - Two-Terminal Devices

Exercise :: Two-Terminal Devices - General Questions

16. 

Which of the following semiconductor materials is (are) used in the manufacturing of tunnel diodes?

A. Germanium
B. Gallium
C. Both germanium and gallium arsenide
D. Silicon

Answer: Option C

Explanation:

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17. 

What is the power density received from the sun at sea level?

A. 10 mW/cm2
B. 100 mW/cm2
C. 500 mW/cm2
D. 1 W/cm2

Answer: Option B

Explanation:

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18. 

The varicap diode has a transition capacitance sensitive to the applied reverse-bias potential that is a maximum at zero volts and decreases ________ with increasing reverse-bias potentials.

A. logarithmically
B. parabolically
C. exponentially

Answer: Option C

Explanation:

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19. 

For a 50-A unit, the PIV of the Schottky is about ________ compared to 150 V for the p-n junction variety.

A. 25
B. 50
C. 75
D. 100

Answer: Option B

Explanation:

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20. 

What metal(s) is(are) used in the construction of Schottky diodes?

A. Molybdenum
B. Platinum
C. Tungsten
D. Silicon
E. Any of the above

Answer: Option E

Explanation:

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