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Special Diodes – 1 – 3

11. For fastest switching operation, it is preferable to use :

(a) P-N junction diode
(b) Vacuum diode
(c) Zener diode
(d) Schottky diode

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

12. Which of the following devices is suitable for very low power oscillator circuit only ?

(a) TRAPATT diode
(b) IMPATT diode
(c) Gunn diode
(d) Tunnel diode

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

13. The transferred-electron bulk effect occurs in :

(a) Germanium
(b) Gallium arsenide
(c) Silicon
(d) Metal-semiconductor junction

Answer
Answer : (b)

Explanation
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14. Schottky transistors are preferred over normal transistors in digital applications because of their :

(a) Higher propagation delay
(b) Higher power dissipation
(c) Lower propagation delay
(d) Lower power dissipation

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

15. When used as switch, a Schottky transistor switches between :

(a) Cut-off and active regions
(b) Cut-off and saturation regions
(c) Active and saturation regions
(d) Different operation points in the active region

Answer
Answer : (a)

Explanation
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