A permanent magnet has a shape of a right circular cylinder of length L. The magnetization M is uniform and has the direction of the cylinder axis. 9a) Find the magnetization current densities, JM and jm. (b) Compare the current distribution with that of a solenoid.
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Q: A 35.0-turn solenoid of length 6.30 cm produces a magnetic field of magnitude 2.20 mT at its center.…
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- The solar wind is a thin, ionized gas given off by the Sun. Suppose a charged SW particle traveling at 9x106 m/s encounters the Earth’s magnetic field at an altitude where the field has a magnitude of 1.2x10-7 T. Assuming that the particle’s velocity is perpendicular to the magnetic field, find the radius of the circular path if the particle were: a) an electron b) a proton.Suppose you wish to produce a 1-T magnetic field in a toroid with an iron core for which magnetic susceptibility is x = 3 x 10³. The toroid has a mean radius of 14 cm and is wound with 600 turns. Hint a. What current is required to produce this magnetic field in the iron core? Current of b. For comparison, what current is required to produce the same magnetic field in an air-filled toroid of same geometry? Current of A is needed. Submit Question A is needed for toroid with no iron core. While it is not always practical to have region of magnetic field filled with ferromagnetic materials, this dramatic increase in strength of magnetic field produced is useful in some applications you will see in upcoming chapters. Question Help: Message instructorA solenoid has 505 turns over a length of 0.54 m. What current will produce a magnetic field of 0.017 T within the solenoid? A
- A certain superconducting magnet in the form of a solenoid of length 0.350 m can generate a magnetic field of 9.10 T in its core when its coils carry a current of 145 A. Find the number of turns in the solenoid. turnsChapter 30, Problem 067 A solenoid that is 77.1 cm long has a cross-sectional area of 15.7 cm². There are 974 turns of wire carrying a current of 5.98 A. (a) Calculate the energy density of the magnetic field inside the solenoid. (b) Find the total energy in joules stored in the magnetic field there (neglect end effects).MOI The strength of the magnetic field B at a distance r from a straight conductor carrying a current I is given by the expression B = 2лr where μo is the permeability of free space with the value 4 x 10-7 NA-2. Two long straight wires are lined up parallel to one another at a separation of 0.17 m. Currents of 4 A and 2 A flow through the wires, both in the same direction. Calculate the absolute value of the magnetic field strength due to the two wires at a point P on the mid-plane between them. Give your answer in micro Tesla (µT, 10-6).
- A solenoid 2.5 cm in diameter and 30 cm in length has 2400 turns and carries a current of 2.0 A. A)Calculate the magnetic flux through the circular cross-sectional area of the solenoid. Hint: Assume this is a very long solenoid and use the simplified magnetic field formula for an infinite solenoid.A/An is described as the area around a magnet where other magnets would be accelerated. magnetic field magnetic flux O domain solenoidA solenoid is made with a superconducting material and the magnetic field inside it is measured to be 6.8 T. Estimate the magnetic energy density in the field.
- Problem 17:rectilinear conductor with current 8 A and length 25 cm, is located in the homogeneous magnetic field and forms the alpha angle with the induction lines. The magnetic force acting on the conductor has the maximum value when the alpha angle is: a) narrow b) wide c) zero d) 90 °QUESTION 5 a) A magnetic circuit consists of a toroidal silicon sheet steel with relative permeability 4, of 150, and a small air gap. A current I flows through 200 turns of wire wrapped around the toroid. The magnetic flux of the circuit is 5 x 10-9 Wb. The total length of the circuit is 0.8 m, and the cross-sectional area of the toroid is10-*m². The length of the air gap is 0.07 m. Find i. The total reluctance and inductance of the circuit ii. Magnetomotive force and hence the current. Ho = 4n x 10-7 H/m b) Differentiate between faraday law of electromagnetic induction and Lenz law and discuss their practical importance c) Using stokes theorem, prove that the divergence of curl of a vector is zero