A 39.0 mA current is carried by a uniformly wound air-core solenoid with 455 turns, a 14.5 mm diameter, and 12.0 cm length. (a) Compute the magnetic field inside the solenoid. 1.85 10"-4 x Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. µT (b) Compute the magnetic flux through each turn. |T-m2 (c) Compute the inductance of the solenoid. ] mH (d) Which of these quantities depends on the current? (Select all that apply.) O magnetic field inside the solenoid magnetic flux through each turn O inductance of the solenoid

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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.