TOPIC 9 & 10

TOPIC 9 & 10

1. Electric Potential Energy

   • potential energy depends on the position of an object
     • work done by a conservative electric force
       • F = q0E
     • Concept of Electric Potential Energy
       • associated to any system in which a particle is located within an electric field and receives the action of an electrostatic force
       • Collection of point charges
         • potential energy associated with a test charge q0 at a point a will depend on the other charges of the system and their distances from that point a.

2. Electric Potential

   • electric potential at a certain point is the electric potential associated to a unit charge placed at that point.
     • Electric potential of a collection of point charges
     • Potential difference
       • In the following figure you can see the two possible points where a charge has different potentials
     • Electric Potential - Electric Field Relation
       • • Electron-volts

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