IIT JEE : Principles Of Communication QUESTIONS AND ANSWERS :: part3 : 16 to 20

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

16.The process in which the wave follows the Earth s curvature is called as

The faraday s affect

Windowing

Dusting

Ionospheric reflection

17.Optical fibra communication have an advantage over general communication because

It is more efficient

Of security of signal

Of both (a) and (b)

None of these

18.The loop gain in case of two wire repeater is must be

greater than 1

equal to 1

less than 1

None of these

19.The dc voltage applied at each station in case of coaxial cables is

1400 V

1300 V

1350 V

1250 V

20.The maximum frequency at which coaxial cable operates

2500 mc/s

2000 mc/s

3000 mc/s

300 mc/s

More Principles Of Communication QUESTIONS AND ANSWERS available in next pages

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IIT JEE Questions And Answers :: Principles Of Communication: part3