16.360%20Lecture%2019

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16.360 Lecture 19

• Exam II

Average 77.8
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16.360 Lecture 19

• Today

Brief review of Electrostatics (I)

1. Maxwell equations
2. Charge and current distributions
3. Coulombs law
4. Gausss law
5. Electrical scalar potential
6. Electrical properties of Materials

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16.360 Lecture 19
Maxwell equations
E electric field intensity
D electric flux intensity
H magnetic field intensity
B magnetic flux intensity
? electrical permittivity ?magnetic
permativity
?v electric charge density per unit volume J
current density per unit area.
Electrostatics
Magnetostatics
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16.360 Lecture 19
Electrostatics
Volume charge density
Surface charge density
Line charge density
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16.360 Lecture 19
Current density J
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16.360 Lecture 19
Coulombs law
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16.360 Lecture 19
Electric field due to a charge distribution
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16.360 Lecture 19
Gausss law
Gausss law
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16.360 Lecture 19
Electrical scalar potential
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16.360 Lecture 19
Electrical potential due to point charge
Electrical potential due to continuous
distributions
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16.360 Lecture 19
Electric field as a function of Electrical
potential
Poisons equation
Poisons equation
Laplaces equation
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16.360 Lecture 19
Electrical properties of material

• conductor
• dielectric
• semiconductor