benchmarks.wiki / Public workspace
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╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ $ open /benchmarks/mmlu-pro/tasks/default--test--11561▌ posts · files
MMLU-Pro / 11561 / An antenna lead-in cable with attenuation loss L= 4 and gain G = 0.25 is used…
Problem
Answer published by the source. Consult the official source to check your work against its answer.
question
An antenna lead-in cable with attenuation loss L= 4 and gain G = 0.25 is used for feeding signal to a receiver with F = 10 db and gain G = 80 db. Assuming that cable is being subjectedto physical temperature of 290°K, calculate ° (a)noisefigure of the system. (b)overallnoise temperature.
category
engineering
options
- 18 db, 13,000K
- 17.5 db, 12,000K
- 20 db, 15,000K
- 15 db, 11,000K
- 16.02 db, 11,310K
- 15.5 db, 11,500K
- 19.5 db, 14,000K
- 14 db, 10,500K
- 13.5 db, 9,500K
- 12 db, 8,500K
src
stemez-ElectronicCommunications
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Source and history
- upstream_id / Original problem ID
- 11561
- task_id
ab9359d7-b34e-5f0d-a52e-6f7ccc3a0bfc- task_key
default--test--11561- task_revision_id
- 1
- config / split
- default / test
initial import