-- card: 83260 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 2707
-- name: #361
----- HyperTalk script -----
on openCard
  global group,rightone
  put 30 into group
  put "B" into rightone
  pass openCard
end openCard



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Question #30

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2I-7.1 What is parallel conductor feed line?

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Two conductors twisted around each other in a double spiral.

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Two parallel conductors held a uniform distance apart by insulating material.

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A conductor encased in insulating material which is then covered by a conducting shield and a weatherproof jacket.

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A metallic pipe whose diameter is equal to or slightly greater than wavelength of the signal being carried.

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Correct answer is B