$A$ telephone link operating at a central frequency of $10\, GHz$ is established. If $1\%$ of this is available,then how many telephone channels can be simultaneously provided,given that each telephone covers a bandwidth of $5\, kHz$?

  • A
    $2 \times 10^4$
  • B
    $2 \times 10^6$
  • C
    $5 \times 10^4$
  • D
    $5 \times 10^6$

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