pulse Click on Answer tab for Answers.

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

EXPLANATION

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

EXPLANATION

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

EXPLANATION

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

EXPLANATION

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

EXPLANATION

1 2 3 4 5 6 7 8 9 10

Be a Part of The New & Next

MCQs fb  MCQs G+

Share the Knowledge

Leave a Reply

Your email address will not be published. Required fields are marked *

Shares
Copy Protected by Chetan's WP-Copyprotect.