Lecture 1 EM II 2013sirenko/Phys433/Lecture_1_EM_II... · 2013. 2. 16. · Lecture 1 Prerequisites:...
Transcript of Lecture 1 EM II 2013sirenko/Phys433/Lecture_1_EM_II... · 2013. 2. 16. · Lecture 1 Prerequisites:...
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Electromagnetism II
Instructor: Andrei [email protected]
Spring 2013Thursdays 1 pm – 4 pm
Spring 2013, NJIT 1
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Spring 2013:
1. Book: D. J. Griffiths Introduction to Electrodynamics2. Syllabus: @ web.njit.edu/~sirenko3. Course components: 5 HWs, 2 CQZs, Final Exam20% 15%+15% 50% = 100%50% D 60% C 65% C+ 70% B 75% B+ 80% A
Spring 2013, NJIT 2
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Lecture 1
Prerequisites: E&M I from Fall 2012Chapters: 1, 2, 3, and 4
Vector algebraElectrostaticsLaplace Eq. , Images, Expansions,…Diff. Eqs.and Electric Fields in Matter
Ability to solve problems and use your knowledge
Spring 2013, NJIT 3
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Vector Algebra “del”
Spring 2013, NJIT 4
“curl”
Also need Boundary conditions!
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Vector Algebra
Spring 2013, NJIT 5
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Electrostatics
Spring 2013, NJIT 6
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Electrostatics
Spring 2013, NJIT 7
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Electrostatics
Spring 2013, NJIT 8
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Problems: Electrostatics
Spring 2013, NJIT 9
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Syllabus for Spring 2013: Chapters 5, 6, 7, 8, 9, 10, 11 + Optics of Magnetoelectric materials
Spring 2013, NJIT 10
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Magnetostatics
Spring 2013, NJIT 11
Two main questions:
• What is the m.f. produced by a current ?
• What is the force on a current due to the m.f. ?
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Magnetic Forces 1. moving charge (e.g., electron)
Spring 2013, NJIT 12
Cyclotron motion
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Cycloid Motion
Spring 2013, NJIT 13
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Magnetic Forces do not work
Spring 2013, NJIT 14
Current
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Current Density
Spring 2013, NJIT 15
i.e., Local charge conservation
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Spring 2013, NJIT 16
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Stokes theorem:
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Spring 2013, NJIT 18
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Spring 2013, NJIT 19
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Spring 2013, NJIT 20
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Spring 2013, NJIT 21
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Spring 2013, NJIT 22
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Spring 2013, NJIT 23
Stokes theorem:
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Spring 2013, NJIT 24
3 of them for x,y,z
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Spring 2013, NJIT 25
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Spring 2013, NJIT 26
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Boundary conditions