-- card: 42043 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 4601
-- name: #135
----- HyperTalk script -----
on openCard
  global group,rightone
  put 13 into group
  put "B" into rightone
  pass openCard
end openCard



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Question #13

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3BD-6.4 What can cause phosphor damage to an oscilloscope cathode ray tube?

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Directly connecting deflection electrodes to the cathode ray tube

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Too high an intensity setting

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Overdriving the vertical amplifier

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Improperly adjusted focus