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JEE Main201815 Apr 2018Morning ShiftPhysicsCommunication SystemActual

The number of amplitude modulated broadcast stations that can be accommodated in a 300 kHz band width for the highest modulating frequency 15 kHz will be:

Options

  1. A20
  2. B10
  3. C8
  4. D15

Correct answer

B. 10

Step-by-step solution

Given, modulating frequency f_m=15 KHz Bandwidth of one channel =2 f_m=30 kHz No of channels accommodate = 300 kHz 30 kHz =10

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