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
Rectification
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