Home / Special Diodes – 1 – 9

Special Diodes – 1 – 9

41. The temperature coefficient of a Zener diode changes from negative to positive :

(a) Below 5 V
(b) Above 6 V
(c) Between 5 V and 6 V
(d) Exactly at 0 V

Answer
Answer : (c)

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

42. A back diode :

(a) Is ordinary Zener diode
(b) Is used to rectify strong signals
(c) Conducts better in the forward than in the reverse directions
(d) Is used to rectify weak signals whose peak amplitudes are between 0.1 V and 0.7 V

Answer
Answer : (d)

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

43. ……….. utilizes the cumulative multiplication principle of carriers through field induced impact ionization.

(a) Zener diode
(b) Varactor diode
(c) PIN diode
(d) Avalanche diode

Answer
Answer : (d)

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

44. The major application of tunnel diode is :

(a) As voltage controllable device
(b) As switching device in digital circuits
(c) As oscillator
(d) As rectifier

Answer
Answer : (b)

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

45. In Schottky barrier diode, conduction is :

(a) Entirely by electrons
(b) Entirely by holes
(c) Mainly by electrons and partially by holes
(d) Mainly by holes and partially by electrons

Answer
Answer : (a)

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

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