IIT JEE : Principles Of Communication QUESTIONS AND ANSWERS :: part1 : 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.In amplitude modulated wave, power content of the carrier is maximum when m is

0.2

0.3

17.Modem is used to

Modulate the digital signals

Covert analog signals to digital ones

Both (a) and (b)

None of these

18.Demodulation

is done at the transmitting stations

is done at the receiving station

removes side bands

rectifies modulated signal

19.Select the incorrect statement

FM receptions is quite immune the noise

Efficiency of FM transmission if high

High fidelity reception is obtained in FM

FM signals can be easily coded

20.Dibits in PM are

Two-phase signals

Four-frequency signals

Four-phase signals

Two-frequency signals

More Principles Of Communication QUESTIONS AND ANSWERS available in next pages

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IIT JEE Questions And Answers :: Principles Of Communication: part1