-- card: 124690 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 7720
-- name: #406
----- HyperTalk script -----
on openCard
  global group,rightone
  put 38 into group
  put "D" into rightone
  pass openCard
end openCard



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Question #38

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4BI-2A.6 What is the radiation pattern of two 1/4-wavelength vertical antennas spaced 1/4 wavelength apart and fed 180 degrees out of phase?

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Omnidirectional

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Figure-8 broadside to the antennas

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Figure-8 end-fire in line with the antennas

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Cardioid unidirectional 

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Correct answer is D