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Question:

A telephonic communication service is working at carrier frequency of $10 \mathrm{GHz}$. Only10\% of it is utilized for transmission. How many telephonic channels can be transmitted simultaneously if each channel requires a bandwidth of $5 \mathrm{kHz}$ ?

  1. $2 \times 10^{3}$

  2. $2 \times 10^{4}$

  3. $2 \times 10^{5}$

  4. $2 \times 10^{6}$

Correct Option: 3

JEE Main Previous Year 1 Question of JEE Main from Physics Communication Systems chapter.
JEE Main Previous Year 2018

Solution:

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