158-ES1 and ES2 Manual Addendum rev 2

# 158-ES1 and ES2 Manual Addendum rev 2 - spooning Graph...

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PHY-158 ES1 and ES2 VI (For the Report) Addendum ES-1 VI-1: For step V-4, tabulate V 1 , V 2 and p. Calculate and report the average and standard deviation of p. VI-2: For step V-5, tabulate the voltage at each position of the proof plane, as well as the ratio of V position /V final . What is the best region for reading the charge on the proof plane? VI-3: For step V-6, tabulate your readings. What would you expect based on the law of charge conservation, and do these results match what you would expect? VI-4: For step V-7, draw 4 diagrams to illustrate your results. Ensure that you include both conductors (pail and shield) in your figure, and that you place charges of the correct sign and number on the appropriate conductor surfaces. Use the following picture as a template: For clarity, the next figure may help understanding what happens when the zero switch on the electrometer is pressed.

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VI-5: For step V-8, tabulate your results, and calculate the average voltage for each number of
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Unformatted text preview: spooning. Graph average voltage vs. number of spoonings. Is the graph linear? Should it be linear, and why? VII Questions Delete question VII-2-it will not be tested on. All other questions remain unchanged. ES-2 You should report your results as follows: VI-1: In table form. VI-2: By sketches of the spheres showing a high density of positive charge by closely spaced + signs, a low density of positive charge by thinly spaced + signs, etc. VI-3: Graphically. In the interest of time, we have removed several of the variables discussed in the printed manual. For each case (0, positive and negative charge), you should plot the electrometer reading vs. angle. Plot all three cases on a single graph. VI-4: Finally, explain the results of each charge arrangement. Include in your discussion what was observed, what you expect (qualitatively), and how these may or may not be different....
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158-ES1 and ES2 Manual Addendum rev 2 - spooning Graph...

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