-- card: 98479 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 7720
-- name: #318
----- HyperTalk script -----
on openCard
  global group,rightone
  put 31 into group
  put "B" into rightone
  pass openCard
end openCard



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Question #31

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4BG-4A.3 What is the theoretical minimum "noise floor" of a receiver with a 400-Hertz bandwidth?

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-141 dBm

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-148 dBm

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-174 dBm

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-180 dBm

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Correct answer is B