How to calculate the surface current (NOT surface current density) in Amps of a solid iron cylinder given its mass, magnetic moment (in A m^2), and radius?
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How to calculate the surface current (NOT surface current density) in Amps of a solid iron cylinder given its mass, magnetic moment (in A m^2), and radius?
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- The magnetic dipole moment of the nickel atom is about 5.6 x 10-24 A· m2. (a) Calculate the maximum magnetic dipole moment (in A •m²) of a domain consisting of 1019 nickel atoms. A: m2 (b) What current (in A) would have to flow through a single circular loop of wire of diameter 2.2 cm to produce the magnetic dipole moment you calculated? ATwo long thin conducting tubes are concentric with each other. The outer tube has a radius R and has a current I while the inner tube has a radius R/4. To cancel the field at points r > R, the inner tube must have a current a.) running parallel to I of magnitude I/4 b.) running parallel to I of magnitude I c.) running antiparallel to I of magnitude 1/4 d.) running antiparallel to I of magnitude IUse the following constants if necessary. Coulomb constant, k = 8.987 × 10º N · m² /C¥acuum permitivity, en = 8.854 × 10-12 F/mMagnetic Permeability of vacuum, µo = 12.566370614356 × 10¬7 H/rMagnitude of the Charge of one electron, e = -1.60217662 x 10 1º CMass of one electron, me = 9.10938356 × 10 31 kgUnless specified otherwise, each symbol carries their usual meaning. For example, µCmeans micro coulomh Say you have 3 charges q1 = 24, q2 = 27, q3 = -26cated at (0, 13) (7, – 13)and (6, –20}espectively. Now, say you choose four random points on the xyplane denoted by p1 (0, 7) p2 (15, –16) p3 (-5, – 16ànd p4 (0, 13). Note that, all charges are in nano coulombs. And all coordinates are in centimeters. Given this information, answer the following questions: a)Calculate the relative position vector that points from p4 to q2. x component of the vector Give your answer up to at least three significance digits. m y component of the vector Give your answer up to at least three significance…
- Figure 8 shows a coaxial cable (two nested cylinders) of length l, inner radius a and outer radius b. Note that l >> a and l >> b. The inner cylinder is charged to +Q and the outer cylinder is charged to −Q. The cable carries a current I, which flows clockwise. Use Ampere’s Law to calculate themagnetic field B⃗ at r<a, a<r<b, and r>b.Answer referring to example 26.7Can you please help me with this question? Thank you!