-- card: 42652 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 4601
-- name: #137
----- HyperTalk script -----
on openCard
  global group,rightone
  put 13 into group
  put "A" into rightone
  pass openCard
end openCard



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Question #13

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3BD-9.2 How is a signal tracer used?

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To detect the presence of a signal in the various stages of a receiver

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To locate a source of interference

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To trace the path of a radio signal through the ionosphere 

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To draw a waveform on paper