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



IIT JEE : Principles Of Communication QUESTIONS AND ANSWERS :: part3 : 11 to 15

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

11.The antenna current of an AM transmission is 8A when only carrier is sent, but is increases to 8.93 A when the carrier is modulate. The modulation of the wave is

43%
70.7%
57%
60%

12.The layer that absorbs largest proportion of UV rays is

Ozone layer
Isoposphere
Ionosphere
Mesosphere

13.Bit rate is given by

sampling rate + number of bits per cycle
sampling rate/number of bits per cycle
sampling rate * number of bits per cycle
None of these

14.Lasers are used as an endoscope in which field ?

Medical
Scientific
Communication
Entertainment

15.The total power contact of an AM wave is 1200 W. What will be modulation index if each side band contains 150 W of power

81.6%
60%
75%
None of these

More Principles Of Communication QUESTIONS AND ANSWERS available in next pages

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