Top 10,000+ TNPSC Quiz - 1

Question: 1

Intelsat satellite is used for

(A) Intercontinental communication

(B) Radio communication

(C) Radar communication

(D) None of the above

Ans: A

Intercontinental communication

Question: 2

A digital signal possesses

(A) Only two discrete values

(B) Only four discrete values

(C) Continuously varying values

(D) None of the above

Ans: A

Only two discrete values

Question: 3

Which of the following shows particle nature of high?

(A) Polarization

(B) Photoelectric effect

(C) Refraction

(D) Interference

Ans: B

Photoelectric effect

Question: 4

Resistivity of semiconductor depends on

(A) Atomic nature of semiconductor

(B) Length of semiconductor

(C) Shape and atomic nature of semiconductor

(D) Shape of semiconductor

Ans: A

Atomic nature of semiconductor

Question: 5

A diode can be used for

(A) Detection

(B) Rectification

(C) Modulation

(D) Amplification

Ans: B


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