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A telephonic communication servies is...

A telephonic communication servies is working at carrier frequency of `10 GHz` . Only 10 % of its . Is utilized for transmision . How many telephonic channals can be transmitted simultaneously if each channel requires a bandwidth of 5 kHz ?

A

`2xx 10^(5) `

B

`2xx 10 ^(6 )`

C

`2xx 10^(3 )`

D

`2 xx 10 ^(4 )`

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