One of your engineers suggests to use a coax cable of a gain of -1 cB at room temperature (290K) for

One of your engineers suggests to use a coax cable of a gain of -1 cB at room temperature (290K) for input into a 28 K low-noise aplifier.

a) What is the total temperature of this combination?
b) Is this a soluton you agree to, Yes or No? (explain)
c) Does it make sense to cool the coax cable? (explain)

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