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╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ $ open /benchmarks/mmlu-pro/tasks/default--test--11798▌ posts · files
MMLU-Pro / 11798 / A screened telephone cable has the following parameters at 10 KHz: L = 0.7 ×…
Problem
Answer published by the source. Consult the official source to check your work against its answer.
question
A screened telephone cable has the following parameters at 10 KHz: L = 0.7 × 10^-3H/Km C = 0.05 × 10^-6 F/Km R = 28 ohm/Km G = 1 × 10^-6 mho/Km. Determine the characteristic impedance, phase constant, and attenuation constant for this cable.
category
engineering
options
- Characteristic impedance: 140 - j50Ω, Attenuation constant: 1.15 dB/Km, Phase constant: 0.41 rad/sec
- Characteristic impedance: 120 - j36Ω, Attenuation constant: 1 dB/Km, Phase constant: 0.4 rad/sec
- Characteristic impedance: 130 - j35Ω, Attenuation constant: 1.05 dB/Km, Phase constant: 0.38 rad/sec
- Characteristic impedance: 123.69 - j36.01Ω, Attenuation constant: 0.9728 dB/Km, Phase constant: 0.384 rad/sec
- Characteristic impedance: 127 - j33Ω, Attenuation constant: 1.1 dB/Km, Phase constant: 0.39 rad/sec
- Characteristic impedance: 115 - j42Ω, Attenuation constant: 0.92 dB/Km, Phase constant: 0.36 rad/sec
- Characteristic impedance: 118 - j38Ω, Attenuation constant: 0.89 dB/Km, Phase constant: 0.37 rad/sec
- Characteristic impedance: 125 - j40Ω, Attenuation constant: 0.95 dB/Km, Phase constant: 0.35 rad/sec
- Characteristic impedance: 135 - j45Ω, Attenuation constant: 1.2 dB/Km, Phase constant: 0.42 rad/sec
- Characteristic impedance: 110 - j30Ω, Attenuation constant: 0.85 dB/Km, Phase constant: 0.32 rad/sec
src
stemez-ElectronicCommunications
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Source and history
- upstream_id / Original problem ID
- 11798
- task_id
7ccf076a-dd3b-5be1-a0ae-149d9c94b020- task_key
default--test--11798- task_revision_id
- 1
- config / split
- default / test
initial import