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card_58515.txt
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Text File
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1994-05-12
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936b
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42 lines
-- card: 58515 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 4601
-- name: #230
----- HyperTalk script -----
on openCard
global group,rightone
put 20 into group
put "C" into rightone
pass openCard
end openCard
-- part contents for background part 20
----- text -----
Question #20
-- part contents for background part 1
----- text -----
T7A01 Why do modern HF transmitters have a built-in low-pass filter in their RF output circuits?
-- part contents for background part 11
----- text -----
To reduce RF energy below a cutoff point
-- part contents for background part 27
----- text -----
To reduce low-frequency interference to other amateurs
-- part contents for background part 28
----- text -----
To reduce harmonic radiation
-- part contents for background part 29
----- text -----
To reduce fundamental radiation
-- part contents for background part 43
----- text -----
Correct answer is C