186. Following is not advantage of FM over AM—

1. 1. noise immunity
      

   
   
   

   2. fidelity
      

   
   
   

   3. capture effect
      

   
   
   

   4. spluttering effect
      

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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187. The message carrying efficiency is best in—

1. 1. FM
      
      

   
   
   

   2. AM
      

   
   
   

   3. AM-SC
      

   
   
   

   4. Phase modulation

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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188. Which one is an advantage of AM over FM?

1. 1. FM is more immune to noise

   
   
   

   2. FM has better fidelity

   
   
   

   3. In a given frequency space, FM accommodates less number of channels as compared to AM

   
   
   

   4. FM has wide bandwidth

   
   
   

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1. View Hint View Answer Discuss in Forum

   The main advantage of AM over FM is that in a given frequency space, FM accommodates less number of channels as compared to AM.

   Correct Option: C

   The main advantage of AM over FM is that in a given frequency space, FM accommodates less number of channels as compared to AM.

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189. Figure of merit is always unity in—

1. 1. SSB-SC

   
   
   

   2. AM

   
   
   

   3. FM

   
   
   

   4. All

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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190. Limiter is not essential in the following detector—
     

1. 1. Foster-Seemey
      

   
   
   

   2. balanced slope
      

   
   
   

   3. ratio
      

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   Refer synopsis.

   Correct Option: C

   Refer synopsis.

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