A loop of wire in the shape of a rectangle of width, w= 18.0 cm and length L = 1. 05 m. and a long, straight wire carrying a current I= 3.00A lie off a tabletop as shown in the figure below. The distance, h = 1.00 cm The direction of the B field within the area of the rectangle due to the long straight current carrying wire is (state reasoning) () + (H) (im) (v) -i

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A: Approach to solving the question: Ampere's law. Detailed explanation:

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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.