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The power transmitted by an by an SSB transmitter is 20 kW. It is required to be replaced by standard AM transmission having modulation index of 0.4 and same power. What is the transmission efficiency?

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UPSC ESE (Prelims) Electronics and Telecommunication Engineering 19 Feb 2023 Official Paper
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  1. 3.7%
  2. 5.8%
  3. 7.4%
  4. 21.6%

Answer (Detailed Solution Below)

Option 3 : 7.4%
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Detailed Solution

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Given:
PSB = 20 kW

Modulation Index () =0.4

Transmission Efficiency =  = %

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