beth a long Concels from i₁ straight wire carries a current = 30.0 A and a rectangular loop carries current i=20.0 A. Take the dimensions to be a = 1.00 cm, b= 8.00 cm, and L=30.0 cm. In unit-vector notation, what is the net force on the loop due to it? a=1.00cm 1. = 30.0 A b de I iz L-

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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.