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Special-Purpose Diodes - General Questions (2)

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Special-Purpose Diodes - General Questions

9. 

What type of diode maintains a constant current?

A. LED
B. zener
C. current regulator
D. pin
E. none of the above

Answer: Option C

Explanation:

No answer description available for this question.

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10. 

Refer to this figure. Which symbol is correct for a photodiode?

mcq3_1011_1 (1)

A. a
B. a
C. c
D. d
E. e

Answer: Option C

Explanation:

No answer description available for this question.

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11. 

What diode operates only with majority carriers?

A. laser
B. tunnel
C. Schottky
D. step-recovery

Answer: Option C

Explanation:

No answer description available for this question.

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12. 

An 8.2 V zener has a resistance of 5. The actual voltage across its terminals when the current is 25 mA is

omega (1)

A. 8.2 V.
B. 125 mV.
C. 8.325 V.
D. 8.075 V.

Answer: Option C

Explanation:

No answer description available for this question

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13. 

The process of emitting photons from a semiconductive material is called

A. photoluminescence.
B. gallium arsenide.
C. electroluminescence.
D. gallium phosphide.

Answer: Option C

Explanation:

No answer description available for this question.
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14. 

Refer to this figure. If the load current increases, IR will ________ and IZ will ________.

mcq3_1007_1 (2)

A. remain the same, increase
B. decrease, remain the same
C. increase, remain the same
D. remain the same, decrease

Answer: Option D

Explanation:

No answer description available for this question

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15. 

Refer to this figure. Find the tunnel diode symbol.

mcq3_1011_1 (5)

A. a
B. b
C. c
D. d
E. e

Answer: Option D

Explanation:

No answer description available for this question

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16. 

A 6.2 V zener is rated at 1 watt. The maximum safe current the zener can carry is

A. 1.61 A.
B. 161 mA.
C. 16.1 mA.
D. 1.61 mA.

Answer: Option B

Explanation:

No answer description available for this question

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