Electric Potential Energy: Potential Difference• Define electric potential and electric potential energy.• Describe the relationship between potential difference and electrical potential energy.• Explain electron volt and its usage in submicroscopic process.• Determine electric potential energy given potential difference and amount of charge. 19.1 Electric Potential Energy: Potential DifferenceWhen a free positive charge q is accelerated by an electric field, such as shown in Figure 19.2, it is given kinetic energy. Theprocess is analogous to an object being accelerated by a gravitational field. It is as if the charge is going down an electrical hillwhere its electric potential energy is converted to kinetic energy. Let us explore the work done on a charge q by the electric fieldin this process, so that we may develop a definition of electric potential energy.APElec = AKEAPEAKE-orav=Figure 19.2 A charge accelerated by an electric field is analogous to a mass going down a hill. In both cases potential energy is converted to anotherform. Work is done by a force, but since this force is conservative, we can write W = -APE.

Electric potential: It is defined as the work done by the external agent in bringing the unit…

Answered: 19.1 Electric Potential Energy:…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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Electric Potential Energy: Potential Difference
• Define electric potential and electric potential energy.
• Describe the relationship between potential difference and electrical potential energy.
• Explain electron volt and its usage in submicroscopic process.
• Determine electric potential energy given potential difference and amount of charge.

19.1 Electric Potential Energy: Potential Difference
When a free positive charge q is accelerated by an electric field, such as shown in Figure 19.2, it is given kinetic energy. The
process is analogous to an object being accelerated by a gravitational field. It is as if the charge is going down an electrical hill
where its electric potential energy is converted to kinetic energy. Let us explore the work done on a charge q by the electric field
in this process, so that we may develop a definition of electric potential energy.
APElec = AKE
APE
AKE
-orav=
Figure 19.2 A charge accelerated by an electric field is analogous to a mass going down a hill. In both cases potential energy is converted to another
form. Work is done by a force, but since this force is conservative, we can write W = -APE.

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