It is desired to construct a solenoid that will have a resistanceof 5.00 Ω (at 20°C) and produce a magnetic field of 4.00 x10-2 T at its center when it carries a current of 4.00 A. Thesolenoid is to be constructed from copper wire having adiameter of 0.500 mm. If the radius of the solenoid is to be1.00 cm, determine (a) the number of turns of wire neededand (b) the length the solenoid should have.

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Q: Please helpe me

A: Given that: Resistance of solenoid 49 ohm.Magnetic field 4 × 10-² T.Current is 4.66 A.Radius 0.250…

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A: final answer is a) N= 828b) L = 1.83 cmi have attached the image belowExplanation:a)b)

Q: magnetic field of the solenoid

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A: SOlution: Given that R =4.2 Ohm B= 4x10-2 T I = 3.95 A d = 0.5 mm r = 1 cm copper resistivity =…

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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.