L04-report-sheet

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City College of San Francisco *

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MATH110A

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Mechanical Engineering

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Oct 30, 2023

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pdf

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2

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Cathode Ray Tube Name: Section: 4BL- Date performed: / / Lab station: Partners: Cathode Ray Tube # Initial setup and focussing the beam V battery = (range: ) V C ( ) V B ( ) V acc ( ) electron speed = Show speed calculation Attach V B vs. V C graph from Excel. slope = ± (from linest) y -intercept = ± (from linest) The deflector plates Vertical deflection 1 2 3 4 Horizontal deflection 1 2 3 4 Diagonal deflection 1 2 3 4 For horizontal and diagonal deflection, complete the circuit diagrams above. In each case, indicate the direction that the spot moves when the deflection voltage is increased.
Vertical deflection factor (VDF) Fixed values: V B = V C = V defl ( ) (range) x ( ) ( ) ( ) ( ) V defl ( ) (range) x ( ) ( ) ( ) ( ) Attach V defl vs. x graph from Excel. VDF = ± (from linest) Fixed value: V defl = (range: ) V C ( ) V B ( ) V acc ( ) x ( ) Deflection [ increases / decreases / remains the same ] as the acceleration voltage is increased. Explain:
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