To get full credit you must show an appropriate differential of charge dq and explain any symmetry arguments you might have use to arrive to this result. What is the field in the limit a and b going to infinity? Compare your answer with the result of the What If? in Examp

Q: A particle charge of 1.4 µC is at the center of a Gaussian cube 44 cm on edge. What is the net…

A: A particle of charge is at the center of a Gaussian cube with an edge lengthWe need to calculate the…

Q: An infinite cylindrical shell of circular cross section of radius R carries a charge Q per unit…

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Q: A uniform surface charge density of5 nC/m is present in the region x = 0, -2 <y< 2, and all z. Ife =…

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Q: Consider the scenario shown below. Let a = 0.30 m, and i = 2.2 A. Determine the magnitude of the…

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Q: N Des X dQ y

A: The total charge in the ring is Q.The linear charge density is The radius of the ring is R.The…

Q: This problem checks that you can use the formula that gives the electric field due to a spherical…

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Q: LC-5 A line of length L with constant linear charge density +(C/m) lies on the x axis. A point P…

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Q: Determine the total charge distribution on r = b, and on r = a., explain Check if the electrical…

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Q: Using the method of integration, what is the electric field of a uniformly charged thin circular…

A: Given Using the method of integration, what is the electric field of a uniformly charged thin…

Q: In the figure particle 1 of charge -80.0 μC and particle 2 of charge +40.0 µC are held at separation…

A: We will first write an expression for electrostatic force between two point charges. We then use it…

Q: In the figure a nonconducting spherical shell of inner radius a = 2.14 cm and outer radius b = 2.49…

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Q: An infinitely large horizontal plane carries a uniform surface charge density = -0.368 nC/m². What…

A: The charge density = -0.368 nC/m^2The electric field strength in the region outside of the…

Q: A uniformly charged rod of length L is bent into an arc of radius R. Total charge on the rod is Q.…

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Q: A hollow very long non-conducting cylindrical shell has inner radius R1 and outer radius R2. A very…

A: Given: The inner radius of the cylinder is R1. The outer radius of the cylinder is R2. Introduction:…

Ising model of Ferromagnets

The Ising model is one of the easiest and most famous theoretical models for ferromagnetism in statistical mechanics. When a group of atomic spins aligns such that their magnetic moments are pointed in the same direction and produce a strong permanent magnetic moment in macroscopic size, the phenomenon is called ferromagnetism. The relative permeability of these magnets is greater than unity and increasing magnetization with the applied external field. Even in the absence of an external magnetic field, these substances retain spontaneous magnetization. An example of ferromagnets is iron.