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Jan21 - PHYS142 Lecture 7 Electric Potential Chapter 25 All...

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Electric Potential Chapter 25 All sections except 8 25.1 Electric Potential and Potential Difference 25.2 Potential Difference in a Uniform Electric Field 25.3 Electric Potential and Potential Energy Due to Point Charges 25.4 Obtaining the Value of the Electric Field from the Electric Potential 25.5 Electric Potential Due to Continuous Charge Distributions 25.6 Electric Potential Due to a Charged Conductor 25.7 The Millikan Oil-Drop Experiment 2 PHYS142 Lecture 7
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3 Change in the potential energy when a charge q 0 moves from A to B in electric field, E , A B q o E Electric potential energy A B B A U U s d E q U 0 Similar to the E-field, a property due to the presence of a charge, the electric potential at a point is defined as the electric potential energy per unit charge : Electric potential The potential is a scalar quantity. A B B A V V s d E q U V q U V , Units: (J/C). also Volt (V)
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