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card_124690.txt
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Text File
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1991-04-08
|
941b
|
42 lines
-- 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
-- part contents for background part 20
----- text -----
Question #38
-- part contents for background part 1
----- text -----
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?
-- part contents for background part 11
----- text -----
Omnidirectional
-- part contents for background part 28
----- text -----
Figure-8 broadside to the antennas
-- part contents for background part 29
----- text -----
Figure-8 end-fire in line with the antennas
-- part contents for background part 27
----- text -----
Cardioid unidirectional
-- part contents for background part 43
----- text -----
Correct answer is D