Semiconductor Materials – 1 – 3

11. The atomic number of germanium is :

(a) 24
(b) 26
(c) 28
(d) 32

ANSWER

EXPLANATION

12. An electron in a completely filled band :

(a) contributes to the flow of electric current
(b) does not contributes to the flow of electric current
(c) can move but doesn’t contribute to the flow of electric current
(d) none of these

ANSWER

EXPLANATION

13. Which electron in an element is responsible for chemical & electrical properties ?

(a) valence electrons
(b) revolving electrons
(c) active electrons
(d) passive electrons

ANSWER

EXPLANATION

14. What does a Hall Effect sensor sense ?

(a) Temperature
(b) Moisture
(c) Magnetic fields
(d) Pressure

ANSWER

EXPLANATION

15. Which of the following doesn’t have forbidden energy gap between valence band and conductor band ?

(a) conductor
(b) insulator
(c) semiconductor
(d) none of the above

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Your email address will not be published.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.