Communication System Question 17
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 give (when each telephone covering a band width of 5 kHz?
Options:
A) $ 2\times 10^{4} $
B) $ 2\times 10^{6} $
C) $ 5\times 10^{4} $
D) $ 5\times 10^{6} $
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Answer:
Correct Answer: A
Solution:
[a] 1 % of $ 10GHz=10\times 10^{9}\times \frac{1}{100}=10^{8}Hz $ Number of channels $ =\frac{10^{8}}{5\times 10^{3}}=2\times 10^{4} $
BETA
