For a toroidal solenoid, suppose the number of turns is 147, the area is 6.18 cm 2, and the radius is 14.03 cm. The current in the toroidal solenoid increases uniformly from 0 A to 5.65 A in 3.18 us. Find the magnitude of the self-induced emf. Final answer should be in two (2) decimal places. For the final answer, express the unit in symbols. For example: 5.00 Kelvin should be expressed as 5.00 K DO NOT answer in exponential form Units are case sensitive, sample units: N/m, degree C, m^2 Round your answer into the nearest 2 decimal place.

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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.