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Chapter 8. The Steady Magnetic Field

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1 Chapter 8. The Steady Magnetic Field
Biot-Savart Law 목원대학교 전자정보통신공학부 전자기학

2 목원대학교 전자정보통신공학부 전자기학

3 목원대학교 전자정보통신공학부 전자기학

4 Amperes’s Circuital Law
The line integral of H about any closed path is exactly equal to the direct current enclosed by that path. 목원대학교 전자정보통신공학부 전자기학

5 The magnetic field intensity is continuous at all the conductor boundaries.
*Shielding 목원대학교 전자정보통신공학부 전자기학

6 Solenoid Toroid 목원대학교 전자정보통신공학부 전자기학

7 Curl Gauss’s law ↔ Divergence : Ampere’s law ↔ Curl
목원대학교 전자정보통신공학부 전자기학

8 Curl: a line integral per unit area. Circulation per unit area.
Non-time-varying conditions The point form of Ampere’s circuital law 목원대학교 전자정보통신공학부 전자기학

9 Stokes’ Theorem 목원대학교 전자정보통신공학부 전자기학

10 Stokes’ theorem relates a surface integral to a closed integral.
The divergence theorem relates a volume integral to a closed surface integral. 목원대학교 전자정보통신공학부 전자기학

11 The Magnetic Flux and Magnetic Flux Density
Define: The Magnetic Flux Density The permeability Maxwell’s equations(static electric field & steady magnetic field) 목원대학교 전자정보통신공학부 전자기학

12 The Scalar and Vector Magnetic Potentials
목원대학교 전자정보통신공학부 전자기학

13 The scalar magnetic potential also satisfies Laplace’s equation.
목원대학교 전자정보통신공학부 전자기학

14 The reason for this multivaluedness
Vector Magnetic Potential(A), useful in studying radiation from antennas, from apertures, and radiation leakage from transmission lines, waveguides, and microwave ovens 목원대학교 전자정보통신공학부 전자기학

15 Vector magnetic potential field about a differential filament
목원대학교 전자정보통신공학부 전자기학

16 Derivation of the Steady-Magnetic-Field Laws
Prove Ampere’s circuital law in point form 목원대학교 전자정보통신공학부 전자기학

17 목원대학교 전자정보통신공학부 전자기학


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