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Unit 1 Day 14: Electric Potential and the Electric Potential Difference Electric Potential Energy Work done by the Electrostatic Force on a charge The.

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Presentation on theme: "Unit 1 Day 14: Electric Potential and the Electric Potential Difference Electric Potential Energy Work done by the Electrostatic Force on a charge The."— Presentation transcript:

1 Unit 1 Day 14: Electric Potential and the Electric Potential Difference Electric Potential Energy Work done by the Electrostatic Force on a charge The Electric Potential The Electric Potential Difference The Electric Potential of a Charged Conducting Sphere

2 Electric Potential Energy The Electrostatic Force is a Conservative Force The Work done by the Electrostatic Force is: The work done getting a proton from point a to b by the electrostatic Force is:

3 The Electric Potential Define the Electric Potential as the electric potential energy per unit charge: This represents a voltage, SI Units: Volts (1 Volt = 1 Joule / Coulomb) The Potential Difference between points a and b is:

4 The Velocity of an Electron in a CRT Cathode Anode ΔV Solving for the final velocity:

5 Basis for the Relationship between the Electric Field and Potential Difference Work done by the electrostatic force is equivalent to the change in the object’s potential energy.

6 The Electric Potential of a Charged Conducting Sphere For a charged conducting sphere, the electric potential at a radial distance of r away from the center of the sphere:

7 The Electric Potential of a Charged Conducting Sphere The E-Field inside the conducting sphere is zero, and outside is an inverse square law

8 The Electric Potential of a Charged Conducting Sphere The electric potential inside the conducting sphere is constant, and outside is an inverse relationship.


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