Semiconductor Questions and Answers for JEE Mains - 1

Question: 1

Oscillators are classified according to the range of frequency as

(A) audio and high frequency oscillators

(B) high and ultra high frequency oscillators

(C) audio and radio frequency oscillators

(D) sinusoidal and non-sinusoidal oscillators

Ans: C

audio and radio frequency oscillators

Question: 2

Number of electrons in silicon atom are

(A) 4

(B) 8

(C) 14

(D) 20

Ans: C

14

Question: 3

______ is used as frequency determining device.

(A) A resonant RC network

(B) A resonant RL network

(C) A resonant LC network

(D) None of the above

Ans: C

A resonant LC network

Question: 4

The thickness of base layer is about

(A) 10 microns

(B) 25 microns

(C) 50 microns

(D) 85 microns

Ans: B

25 microns

Question: 5

Who developed the Boolean algebra?

(A) De-Morgan

(B) Pascal

(C) Charles Babbage

(D) George Boole

Ans: D

George Boole

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