W9_parallel_resonance.eps
Week 7: Sources of the Magnetic Field 239 dl x y z z r dB a φ φ dBz θ dθ dB ω Q Figure 83: The geometry and coordinates used to ...
240 Week 7: Sources of the Magnetic Field 7.5: Ampere’s Law It is difficult to know the best way to show you the path from the B ...
Week 7: Sources of the Magnetic Field 241 up liker^2 , we got a quantity that only depended on the charge (and Gauss’s Law for E ...
242 Week 7: Sources of the Magnetic Field which is true foranycurved pathCthat goes around the infinitely long straight wire pre ...
Week 7: Sources of the Magnetic Field 243 On your homework, I’ll ask you to do them again (without looking, before you are done) ...
244 Week 7: Sources of the Magnetic Field Example 7.6.2: Cylindrical Current Density – Field of an Infinitely Long Thick Wire B ...
Week 7: Sources of the Magnetic Field 245 Then, region II (r′> R): ∮′ C B~·d~ℓ = μ 0 ∫ S/C J~·nˆdA Bt 2 πr′ = μ 0 I Bt = μ 0 ...
246 Week 7: Sources of the Magnetic Field (infinite) b b I (in) C B Figure 88: A cross-sectional view of an infinitely long sole ...
Week 7: Sources of the Magnetic Field 247 once again, as was neglecting fringe fields for capacitors (the moral equivalent in th ...
248 Week 7: Sources of the Magnetic Field current through the any surface bounded byCis zero, as every wire goes (at best) into ...
Week 7: Sources of the Magnetic Field 249 It is now simple to apply Ampere’s Law, as we get no contribution from the sides ofCan ...
250 Week 7: Sources of the Magnetic Field (and ideally, learns enough about them to incorporate them into ourgeneral picture of ...
Week 7: Sources of the Magnetic Field 251 Homework for Week 7 Problem 1. Physics Concepts Make this week’s physics concepts summ ...
252 Week 7: Sources of the Magnetic Field Problem 4. Jin R/2 R A cylindrical conductor of radiusRaligned with thezdirection has ...
Week 7: Sources of the Magnetic Field 253 Problem 7. B field Show that a uniform magnetic field that has no fringing field viola ...
254 Week 7: Sources of the Magnetic Field Advanced Problem 9. I R/2 R R I R/2 z x y (A)A pair of Helmholtz coils is made up of t ...
V: Electrodynamics 255 ...
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Week 8: Faraday’s Law and Induction (Est 2/25-3/4) Suppose a conducting bar moves through a field at right angles to the field ...
258 Week 8: Faraday’s Law and Induction From this we can compute theself-induced (loop) voltages for simple current-carrying lo ...
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