Simple Nature - Light and Matter
n/Example 2. Should we be impressed with how small this dipole moment is, or with how big it is, considering that it’s being mad ...
o/Magnetic forces cause a beam of electrons to move in a circle. p/You can’t isolate the poles of a magnet by breaking it in hal ...
beam or particles, or to select from a beam of particles only those having velocities within a certain desired range. Homework p ...
r/Magnetic fields have no sources or sinks. s/Example 6. netic monopoles in particle accelerators, but there was no success in a ...
with the wire, the flux through it wouldnot be zero. We there- fore conclude that the spool-of-thread pattern is the correct one ...
u/In this scene from Swan Lake, the choreography has a symmetry with respect to left and right. v/C.S. Wu t/Left-handed and righ ...
a/The magnetic field of a long, straight wire. b/A ground fault interrupter. c/Example 8. 11.2 Magnetic fields by superposition ...
so the total field in thezdirection is Bz= 2 2 k I c^2 R sinθ, whereθis the angle the field vectors make above thexaxis. The sin ...
d/A sheet of charge. the two wires of example 8: current goes out one wire, but comes back through the other. Since the field re ...
e/A sheet of charge and a sheet of current. For theycomponent, we have By= ∫ 2 kdI c^2 R cosθ = ∫b −a 2 kηdy c^2 R cosθ = 2 kη c ...
f/The field of any planar current loop can be found by breaking it down into square dipoles. 11.2.2 Energy in the magnetic field ...
g/A long, straight current- carrying wire can be constructed by filling half of a plane with square dipoles. h/Setting up the in ...
where dBzis the contribution to the total magnetic field at our point of interest, which lies a distanceRfrom the wire. Bz= ∫∞ y ...
i/The field of a dipole. j/Example 9. whereris the distance from the dipole to the point of interest,θ is the angle between the ...
Field at the center of a circular loop example 10 .What is the magnetic field at the center of a circular current loop of radius ...
the system donotall have the sameq/m, then thegof the system as a whole need not be 2. For example, a collection of positive and ...
k/Two ways of making a current loop out of square dipoles. l/The new method can han- dle non-planar currents. The currents all ...
m/The field of an infinite U. n/The geometry of the Biot- Savart law. The small arrows show the result of the Biot-Savart law at ...
Is it the field of a particle? We have a simple equation, based on Coulomb’s law, for the elec- tric field surrounding a charged ...
a/The electric field of a sheet of charge, and the magnetic field of a sheet of current. b/A Gaussian surface and an Amperian su ...
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