-- card: 104014 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 7720
-- name: #309
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on openCard
  global group,rightone
  put 31 into group
  put "B" into rightone
  pass openCard
end openCard



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Question #309

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4G-2.4 What class of amplifier is distinguished by the flow of current in the output essentially in 180 degree pulses?

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Class A

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Class B

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Class C

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Class D