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Question

A telephone link operating at a central frequency of 10 GHz is established. If 1% of this is available then how many telephone channel can be simultaneously given when each telephone covering a band width of 5 kHz

A
2 X 104
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B
2 X 106
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C
5 X 104
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D
5 X 106
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Solution

The correct option is A. 2 X 104

1 % of 10 GHz = 10 ×109×1100=108Hz

Number of channels = 1085×103=2×104


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