TS EAMCET · Physics · Communication System
A telephonic communication service is working at a carrier frequency of \(20 \mathrm{GHz}\). Only \(20 \%\) of it is utilized for transmission. If each channel requires a bandwidth of \(5 \mathrm{kHz}\), then the number of telephonic channels that can be transmitted simultaneously are
- A \(6 \times 10^5\)
- B \(2 \times 10^5\)
- C \(8 \times 10^5\)
- D \(4 \times 10^5\)
Answer & Solution
Correct Answer
(C) \(8 \times 10^5\)
Step-by-step Solution
Detailed explanation
Carrier frequency \(=20 \mathrm{GHz}\) \(20 \%\) is used in transmission \(=\frac{20}{100} \times 20=4 \mathrm{GHz}\) Each channel requires \(5 \mathrm{khz}\)…
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