51_Ch23_Potential

51_Ch23_Potential - Chapter 23 Electric Potential...

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Chapter 23 Electric Potential Electric potential energy (sec. 23.1) Electric potential  (sec. 23.2) Calculating elec. potential (sec. 23.3) Equipotential surfaces (sec. 23.4) Potential gradient (sec. 23.5) C 2009  J. Becker

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Learning Goals  - we will learn: Ch 23 • How to calculate the  electric potential energy   of a  collection of charges. • The definition and significance of  electric potential .” • How to use the electric potential to  calculate the  electric field .
POSITIVE charge moving in an  E  field.   (a) When a positive charge moves in the direction of an electric field, the  field  does positive work and the potential energy decreases.    Work =   q o  E d

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The charge q o  moves along a straight line extending radially  from charge q.
The  work done   on charge q o

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G ra phs  o f the  po te ntia l e ne rg y U o f two  po int  c ha rg e s  q  a nd q 0 versus their separation r.

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This note was uploaded on 01/15/2010 for the course PHYS 051 at San Jose State University .

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51_Ch23_Potential - Chapter 23 Electric Potential...

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