Millikan adjusted the potential difference between the electrodes of this experiment by sliding a wire up and down a high-resistance wire that was connected to a battery. Why does DV between the electrodes change as the point of contact is moved? Suppose that the slide wire is moved up, does DV between the electrodes increase or decrease? Explain briefly your

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 10P: A lightbulb has a resistance of 240 when operating with a potential difference of 120 V across it....
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  • Millikan adjusted the potential difference between the electrodes of this experiment by sliding a wire up and down a high-resistance wire that was connected to a battery.
  1. Why does DV between the electrodes change as the point of contact is moved?
  2. Suppose that the slide wire is moved up, does DV between the electrodes increase or decrease? Explain briefly your choice.
  3. A negatively charged drop is falling. To stop its motion and keep it at rest, should the slide wire be moved up or down? Explain
  4.  
High-resistance wire
+1
AV
Slide wire
Transcribed Image Text:High-resistance wire +1 AV Slide wire
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