A cube of edge length ℓ = 2.20 cm is positioned as shown in the figure below. A uniform magnetic field given by  = (5.7 î + 4.0 ĵ + 3.0 ) T exists throughout the region. A cube of side ℓ is positioned in the x y z coordinate space, with the +x-axis to the right, the +y-axis upward, and the +z-axis out of the page. One corner of the cube is at the origin, and three edges of the cube lie along the +x-, +y-, and +z-axes. The rightmost face, which is parallel to the y z plane, is shaded. The magnetic field vector B points upward, outward, and to the right. (a) Calculate the magnetic flux through the shaded face.  mWb (b) What is the total flux through the six faces?  mWb

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Ferromagnetism

Ferromagnetism is a mechanism by which some materials show magnetic properties. Iron and magnetite, an oxide of iron, are two naturally occurring materials that show the property of ferromagnetism. The word ferromagnetism is derived from the Latin name of iron, "Ferrum" as it was the first observed material to show such property. The property of ferromagnetism is shown by only a few substances such as iron, nickel, cobalt, and their alloys. Some transition metals and alloys of rare-earth metals also show ferromagnetism.