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
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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solve question #1 a-d please

Transcribed Image Text:1) A common way to separate lots of charge is to use a device called a Van deGraff Generator.
(These are often found in science meuseams and make your hair stand up!) The Van deGraff
generator uses a motor to rotate a rubber belt which rubs against a "brush". A metal wire then
connects the brush to a hollow metal sphere where the sperated charge is accumulated/stored.
Hollow Metal
Sphere
Metal Wire
Brush
Rubber Belt
-Motor
Remember Cylinders!
a. What two methods of charge separation are involved? Give a brief explanation
(involving references to parts from the diagram!) as to how these methods are
used to separate charge on the Van DeGraff!
b. The generator is run for a brief time. Determine the amount of charge
accumulated on the metal sphere given the Electric Flux as measured
completely around the sphere is 4.3x10° Nm²/C. (Hint, think Gauss' Law!)
c. If the sphere accumulates a positive charge, how many extra electrons or
protons have been accumulated?
d. If the Electric Flux was measured at a distance of 0.35 m from the center of the
sphere, what is the electric field at this location? (Hint, use the definition of
electric flux!)
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