A demonstration Van de Graaff generator has a 25.0 cm diameter metal sphere that produces a voltage of 100 kV near its surface. What excess charge resides on the sphere? (Assume that each numerical value here is shown with three significant figures.) Aluminumsphere-ConductorCoveredpulloyFlat beltVoltsCoveredpulleyMotorFigure 19.7 The voltage of this demonstration Van de Graaff generator is measured between the charged sphere and ground. Earth's potential istaken to be zero as a reference. The potential of the charged conducting sphere is the same as that of an equal point charge at its center.

Given: Diameter =25 cm radius, r = 1.5 cm = 0.125 m Voltage, V = 100 kV = 100 x 1000 V

Answered: Aluminum sphere -Conductor Covered…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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A demonstration Van de Graaff generator has a 25.0 cm diameter metal sphere that produces a voltage of 100 kV near its surface. What excess charge resides on the sphere? (Assume that each numerical value here is shown with three significant figures.)

Aluminum
sphere
-Conductor
Covered
pulloy
Flat belt
Volts
Covered
pulley
Motor
Figure 19.7 The voltage of this demonstration Van de Graaff generator is measured between the charged sphere and ground. Earth's potential is
taken to be zero as a reference. The potential of the charged conducting sphere is the same as that of an equal point charge at its center.

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