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card_39430.txt
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1991-04-08
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1KB
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38 lines
-- card: 39430 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 4601
-- name: #125
----- HyperTalk script -----
on openCard
global group,rightone
put 12 into group
put "C" into rightone
pass openCard
end openCard
-- part contents for background part 20
----- text -----
Question #12
-- part contents for background part 1
----- text -----
3BD-4.3 How is neutralization of an RF amplifier accomplished?
-- part contents for background part 11
----- text -----
By supplying energy from the amplifier output to the input on alternate half cycles
-- part contents for background part 27
----- text -----
By supplying energy from the amplifier output to the input shifted 360 degrees out of phase
-- part contents for background part 28
----- text -----
By supplying energy from the amplifier output to the input shifted 180 degrees out of phase
-- part contents for background part 29
----- text -----
By supplying energy from the amplifier output to the input with a proper DC bias