Phys 0175 - Lecture 10

Phys 0175 - Lecture 10 - Reminder: Homework Assignments:...

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Reminder: Homework Assignments: PHYS 0175 – LON-CAPA HW #03 Now Open: Due on Sunday(@10pm), February 1st
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Lecture 10 (Jan. 28, 2009): Chapter 24: Electric Potential (cont’d) Electric Potential for some common charge configurations Illustrative examples Equipotential surfaces
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Electric Potential: Definition: The Electric Potential is the electric potential energy per unit charge . V = U/q 0 U = q 0 *V Like q and U, the electric potential is also a scalar quantity. SI Units of V: 1 [joule/coulomb] = 1 volt Just as the electric field is defined as the electric force per unit charge, the electric potential is defined as the electric potential energy per unit charge
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The electric potential due to a point charge q: 0 0 1 4 U q V q r πε = = The electric potential due to a collection of point charges q i : 0 0 1 4 i i i q U V q r = = The electric potential due to a continuous distribution of charge: 0 1 4 dq V r = Expressions for the electric potential for some common charge configurations:
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Illustrative Example 10.1: Taking the electric potential V to
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Phys 0175 - Lecture 10 - Reminder: Homework Assignments:...

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