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1. Describe the components that make up the electron gun in a cathode-ray tube.

1. Describe the components that make up the electron gun in a cathode-ray tube.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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Vm005 (b) VOS (6) Vme (d) Vm I (s) vitamikorgqs to muminima a 6 iliw Sysw diootwse AS no mo lyd beinast ei wrait terW LABORATORY 38 Oscilloscope Measurements PRE-LABORATORY ASSIGNMENT 1. Describe the components that make up the electron gun in a cathode-ray tube. 2. Describe the voltage waveform that produces a linear time scale when applied to the horizontal plates of a cathode-ray tube. 3. When the electron beam strikes the fluorescent screen, the phosphor glow that results has persistence. Approximately how long does the glow persist? 4. A function generator outputs a sine wave of f= 200 Hz. It is input to an oscilloscope set at 1 ms/DIV. How many complete cycles of the sine wave are displayed on the oscilloscope? (Hint-The period of the sine wave T is related to the frequency f of the wave by T = 1/f, and there are 10 divisions on the time display of the oscilloscope.)
Transcribed Image Text:Vm005 (b) VOS (6) Vme (d) Vm I (s) vitamikorgqs to muminima a 6 iliw Sysw diootwse AS no mo lyd beinast ei wrait terW LABORATORY 38 Oscilloscope Measurements PRE-LABORATORY ASSIGNMENT 1. Describe the components that make up the electron gun in a cathode-ray tube. 2. Describe the voltage waveform that produces a linear time scale when applied to the horizontal plates of a cathode-ray tube. 3. When the electron beam strikes the fluorescent screen, the phosphor glow that results has persistence. Approximately how long does the glow persist? 4. A function generator outputs a sine wave of f= 200 Hz. It is input to an oscilloscope set at 1 ms/DIV. How many complete cycles of the sine wave are displayed on the oscilloscope? (Hint-The period of the sine wave T is related to the frequency f of the wave by T = 1/f, and there are 10 divisions on the time display of the oscilloscope.)
5. A typical student oscilloscope on its least sensitive calibrated scale can display a voltage up to a maximum of approximately (a) 1 V; (b) 5 V; (c) 20 V; (d) 200 V. 6. A typical student oscilloscope on its most sensitive calibrated scale can display a voltage down to a minimum of approximately (a) 1 mV; (b) 5 mV; (c) 20 V; (d) 200 mV. 7. A sawtooth wave with a period of 100 ms is applied to an oscilloscope with a screen 10 cm wide. What time is represented by 1 cm on the screen?
Transcribed Image Text:5. A typical student oscilloscope on its least sensitive calibrated scale can display a voltage up to a maximum of approximately (a) 1 V; (b) 5 V; (c) 20 V; (d) 200 V. 6. A typical student oscilloscope on its most sensitive calibrated scale can display a voltage down to a minimum of approximately (a) 1 mV; (b) 5 mV; (c) 20 V; (d) 200 mV. 7. A sawtooth wave with a period of 100 ms is applied to an oscilloscope with a screen 10 cm wide. What time is represented by 1 cm on the screen?
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