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- -- card: 86584 from stack: in
- -- bmap block id: 0
- -- flags: 4000
- -- background id: 7720
- -- name: #277
- ----- HyperTalk script -----
- on openCard
- global group,rightone
- put 28 into group
- put "D" into rightone
- pass openCard
- end openCard
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- -- part contents for background part 20
- ----- text -----
- Question #28
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- -- part contents for background part 1
- ----- text -----
- 4BF-6.2 How is the electron beam deflected in a "vidicon"?
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- -- part contents for background part 11
- ----- text -----
- By varying the beam voltage
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- -- part contents for background part 27
- ----- text -----
- By varying the bias voltage on the beam forming grids inside the tube
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- -- part contents for background part 28
- ----- text -----
- By varying the beam current
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- -- part contents for background part 29
- ----- text -----
- By varying electromagnetic fields
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- -- part contents for background part 43
- ----- text -----
- Correct answer is D