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Physics 122 Unit 1 Review
Electrostatics
Coulomb's Law
q1
q2 q
3
Q
From Coulomb's Law to the Electric Field
and
q1
q2 q
3
Q
From Coulomb's Law to the Electric Field
and
The Electric Field from Point Charges
The Electric Field from an Integral
The Electric Field from an Integral
The Electric Field from an Integral
Problem 23-28
The Electric Field from an Integral
Problem 23-29
Gauss's Law
Faraday's Lines of Force
The Inverse Square Law
Flux“The NUMBER of Electric Field Lines”
Electric Field“The DENSITY of Electric Field Lines”
Area
Flux through a Sphere
It's the same Flux through ANY surface that encloses the charge!
The Net Flux is Zero for any closed surface for charges outside the surface
Gauss's Law
Net Flux
And also,,,
Electric Fields and Metals
E=0 Inside!
E is perpendicular to the metal surface
Problem 24-47
Energy Principles
Electric Potential - Voltage
Energy Methods
Energy Methods
Energy Methods
The Electric Potential
The Electric Potential Energy
Where
Change in Electric PotentialChange in
Electric Potential Energy
Energy Methods
Electric Potential of a Point Charge
We define the Electric Potential to be zero at
The Electric Potential of a Point Charge
Electric PotentialElectric PotentialEnergy
From Problem 3:
Inside: Outside:
Metals form Equipotential SurfacesAll points on a connected metal surface have the same V!
Finding E from V
x
y
Capacitors
The Parallel Plate Capacitor
Energy Stored in a Charged Capacitor
Energy Density
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