-- card: 65628 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 4601
-- name: #225
----- HyperTalk script -----
on openCard
  global group,rightone
  put 20 into group
  put "B" into rightone
  pass openCard
end openCard



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Question #20

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3BH-2.3 What is the term for alteration of the phase of an RF wave for the purpose of conveying information?

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Pulse modulation

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Phase modulation

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Phase rectification

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Amplitude modulation