Question:
Coaxial cable, a widely used wire medium offers an approximate frequency bandwidth of
Coaxial cable, a widely used wire medium offers an approximate frequency bandwidth of
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Standard bandwidths to remember:
Speech: \(2.8\ \text{kHz}\)
Video: \(4.2\ \text{MHz}\)
Coaxial Cable: \(\approx 750\ \text{MHz}\)
Optical Fiber: \(> 100\ \text{GHz}\)
Updated On: Mar 26, 2026
- \(750\ \text{GHz}\)
- \(750\ \text{Hz}\)
- \(750\ \text{MHz}\)
- \(750\ \text{kHz}\)
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The Correct Option is C
Solution and Explanation
Step 1: Understanding Communication Channels:
Different transmission media have different bandwidth capabilities: - Twisted pair cables: Bandwidth is relatively low (few MHz). - Coaxial cables: Bandwidth is moderately high, typically around \(750\ \text{MHz}\). They are commonly used for cable TV signals. - Optical fibers: Bandwidth is extremely high, in the range of \(100\ \text{GHz}\) to \(1000\ \text{GHz}\) (THz range).
Step 2: Analyze Options:
- \(750\ \text{GHz}\) is in the optical fiber range.
- \(750\ \text{Hz}\) is very low, mainly for audio.
- \(750\ \text{MHz}\) matches the standard specification for coaxial cables.
- \(750\ \text{kHz}\) is in the AM radio range. Final Answer:
\(750\ \text{MHz}\).
Different transmission media have different bandwidth capabilities: - Twisted pair cables: Bandwidth is relatively low (few MHz). - Coaxial cables: Bandwidth is moderately high, typically around \(750\ \text{MHz}\). They are commonly used for cable TV signals. - Optical fibers: Bandwidth is extremely high, in the range of \(100\ \text{GHz}\) to \(1000\ \text{GHz}\) (THz range).
Step 2: Analyze Options:
- \(750\ \text{GHz}\) is in the optical fiber range.
- \(750\ \text{Hz}\) is very low, mainly for audio.
- \(750\ \text{MHz}\) matches the standard specification for coaxial cables.
- \(750\ \text{kHz}\) is in the AM radio range. Final Answer:
\(750\ \text{MHz}\).
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