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The voltage applied across Y-plate deflects the beam:

Correct answer: A. Vertically on the screen

  • A. Vertically on the screen
  • B. Horizontally on the screen
  • C. Both (a) and (b)
  • D. None of these

Explanation

The voltage applied across the Y-plate (vertical deflecting plates) deflects the electron beam vertically on the screen of the Cathode Ray Oscilloscope (CRO). By controlling the voltage applied to the Y-plates, the vertical position of the electron beam can be adjusted, allowing the display of the waveform's amplitude.

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