physics electircal chapter 19

# physics electircal chapter 19 - PHY2049PhysicsII...

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PHY 2049 - Physics II Chapter 19: Electric Potential  Valmín J. Miranda Polytechnic University Puerto Rico Orlando Campus

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19.1: Potential Energy An electric potential energy exists that is  analogous to the gravitational potential  energy. An object falls because of the gravitational  force,            The work done from  h A  to  h B  is: W AB  mgh A  –  mgh B  =  GPE A  –  GPE B g m F =
19.1: Potential Energy A positive test charge between oppositely  charged plates “falls” too. An electric force of             moves the charge  downward. The work done from point  A  to  B  is: W AB  EPE A  –  EPE B E q F 0 =

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19.2: The Electric Potential  Difference Dividing the difference between the electrical  potential energies by  q 0  gives: The  electric potential  or, simply, the  potential  is: 0 0 0 q EPE q EPE q W B A AB - = 0 q EPE V = C J V 1 1 1 =
Difference The potential difference between points can  be related to the work done by the electric  force: The potential difference is often referred to as  a ”voltage”. 0 0 0 q

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## This note was uploaded on 07/20/2011 for the course ELECTRICAL 3800 taught by Professor Lenardomorales during the Spring '11 term at InterAmerican Recinto Metropolitano.

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physics electircal chapter 19 - PHY2049PhysicsII...

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