IIT JEE : Principles Of Communication QUESTIONS AND ANSWERS :: part1 : 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.Purpose of modulator is

to increase the energy of carrier

to impress the information on carrier

to separate the carrier and information

None of these

12.In FM, if frequency deviation is doubled

modulation is doubled

modulation remains unchanged

modulation is halved

None of these

13.The threshold in FM depends upon

Frequency deviation

Power levels of frequency radiated

Both (a) and (b)

None of these

14.Out of the following which is not a correct statement for FM ?

Total power remain constant w. r. t. modulation index

Carrier never becomes zero

J-coefficients are occasionally negative

None of these

15.Waves used for long distance broadcast are

short waves

long waves

light waves

any waves

More Principles Of Communication QUESTIONS AND ANSWERS available in next pages

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