In a Millikan oil-drop experiment, a particular oil drop weighs 4.37×10^−14 N. The parallel plates are separated by a distance of 1.80 cm. When the potential difference between the plates is 546 V, the drop is suspended. a. What is the net charge on the oil drop? b. If the upper plate is positive, how many excess electrons are on the oil drop?

In a Millikan oil-drop experiment, a particular oil drop weighs 4.37×10^−14 N. The parallel plates are separated by a distance of 1.80 cm. When the potential difference between the plates is 546 V, the drop is suspended. a. What is the net charge on the oil drop? b. If the upper plate is positive, how many excess electrons are on the oil drop?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter30: Atomic Physics

Section: Chapter Questions

Problem 5PE: In Millikan's oil-drop experiment, one looks at a small oil drop held motionless between two plates....

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