Discussion
Match the control with what it adjusts.
1. Intensity 2. Trigger level 3. Time per division
P. The voltage at which each sweep begins Q. The potential of the control grid R. The speed of the horizontal sweep
Answer: C
Correct answer: 1-Q, 2-P, 3-R
Three controls acting at three different points. Intensity sets the control grid potential and so the beam current and brightness. The trigger level sets the signal voltage at which each sweep is started. And time per division sets the sawtooth slope, and hence the horizontal sweep speed.
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