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Author Topic: Sharp edge has higher Charge density (electric field)  (Read 5731 times)
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on: May 25, 2010, 01:57:17 am »

This following applet is Sharp edge has higher Charge density (electric field)
Created by prof Hwang Modified by Ahmed
orginal project  Sharp edge has higher Charge density (electric field)

The electric field on the metal surface is perpendicular to the surface, and it's strength is proportional to the surface charge density.

This applets try to demonstrate why the charge density is higher at the sharp edge.
Charge repel each other, however, there are free to move along the metal surface.
(Charge density is higher at the sharp edge, do not imply there are more charges. )

You can use mouse to drag the right slider up and down to change the shape of the ellipse.

Embed a running copy of this simulation

Embed a running copy link(show simulation in a popuped window)
Full screen applet or Problem viewing java?Add http://www.phy.ntnu.edu.tw/ to exception site list
Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
  • Please feel free to post your ideas about how to use the simulation for better teaching and learning.
  • Post questions to be asked to help students to think, to explore.
  • Upload worksheets as attached files to share with more users.
Let's work together. We can help more users understand physics conceptually and enjoy the fun of learning physics!

* Sharp edge has higher Charge density (electric field).gif (16.15 KB, 599x332 - viewed 908 times.)
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