IIT JEE : Principles Of Communication QUESTIONS AND ANSWERS :: part2 : 21 to 25
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
21.The modulation index in case of FM is defined for |
| Multi-tone modulation |
| Tone-modulation only |
| All types of modulating signals |
| None of these |
22.Balance modulator is used to produce |
| DSB-SC |
| SSB |
| VSB |
| None of these |
23.The product modulator basically is a |
| Mixer |
| Ampliffer |
| Balanced modulator |
| Frequency separator |
24.The satellite that seems stationary w. r. t. Earth is |
| Intelsat |
| Geostationary satellite |
| Telstar |
| Marisat |
25.The fading process applies to |
| Atmospheric storm |
| Ionospheric propagation |
| Faraday rotation |
| Troposcatter propagation |
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