AV=5000V E14 cm- +25 cm >

An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter1: Measurement
Section: Chapter Questions
Problem 11E
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Hi I'm given the diameter of the sphere is 25cm. An electric pen brought near this sphere causes a voltage of 5000 V. The distance between the sphere and the pen is 14cm. The pen itself is measured at 25cm. 


they want to know what is the charge on the sphere? 

Please break it down so I can understand. The last answer had the wrong diameter calculated into the problem and was missing what formulas they used for each problem and how they solved it in steps.

AV=5000V
<d=25cm->
E14 cm-
+25 cm >
Transcribed Image Text:AV=5000V <d=25cm-> E14 cm- +25 cm >
Expert Solution
Introduction:

The voltage difference is the difference in the voltage at the near end and farther end of the pen.

The voltage difference,

Physics homework question answer, step 2, image 1

The distance from the near end to the centre is r+d and the distance from the far end to the centre is r+d+l

Physics homework question answer, step 2, image 2

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