The Y factor of an amplifier obtained by measuring the noise figure at the temperatures 77 K and 290 K is 2.7 db. Then t

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answerhappygod
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The Y factor of an amplifier obtained by measuring the noise figure at the temperatures 77 K and 290 K is 2.7 db. Then t

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a) 100 K
b) 150 K
c) 170 K
d) None of the mentioned
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