IIT JEE : Principles Of Communication QUESTIONS AND ANSWERS :: part4 : 6 to 10

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

6.A charge having oscillating frequency 2 MHz. The wavelength will be

150 KM

200 KM

250 KM

None of these

7.A band width of 15 MHz is available for transmission. If maximum signal frequency used for modulating the corrier is 15 kHz, then low number of stations which can broadcast without any inference with each other ) in this band is

300

400

457

500

8.The UHF band ranges from

30 to 300 MHz

30 to 3000 MHz

20 to 2000 MHz

30 to 300 KHz

9.A sinusoidal carrier wave of frequency of 15 MHz is modulated by audio signal of frequency of 5 KHz, then upper frequency component of the resultant modulated wave is

15 MHz

10 MHz

15.005 MHz

14.995 MHz

10.For a FM wave the carrier is 160 MHz, modulating frequency is 15 kHz and frequency deviation of 1 MHz. The band width required is

2 MHz

1 MHz

20 KHz

10 MHz

More Principles Of Communication QUESTIONS AND ANSWERS available in next pages