Dia, Para and Ferromagnetism on the Basis of Domain Theory

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Dia, Para and Ferromagnetism on the Basis of Domain Theory: Overview

This topic covers concepts such as magnetic properties of matter, diamagnetic substances, ferromagnetic substances, Meissner effect, and properties of diamagnetic substance.

Important Questions on Dia, Para and Ferromagnetism on the Basis of Domain Theory

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Which one of the following species is diamagnetic in nature?

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Given below are two statements:

Statement I : The diamagnetic property depends on temperature.

Statement II : The induced magnetic dipole moment in a diamagnetic sample is always opposite to the magnetising field.

In the light of given statements, choose the correct answer from the options given below

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Given below are two statements:

Statement I: For diamagnetic substance -1x<0, where x is the magnetic susceptibility.

Statement II: Diamagnetic substance when placed in an external magnetic field, tend to move from stronger to weaker part of the field. In the light of the above statements, choose the correct answer from the options give below.

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Consider two statements:

S1: Magnetic susceptibility of diamagnetic substance is -1χ<0.

S2: Diamagnetic substance moves from stronger to weaker magnetic field.

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Two blocks of different materials are placed in a uniform magnetic field B. The magnetic field lines passing through the two blocks are represented as follows.

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Identify the suitable values of relative permeability μr and magnetic susceptibility χ for the materials I and II.

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Find which one is permanent magnet and which one is electromagnet.

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Explain how the relative orientation of the domains renders magnetism to a substance. 

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A magnetic material filed in U-tube. When magnetic field is applied at one end of U-tube then level of magnetic material is changed in tube as shown in figure. The material in U-tube may be -

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Which of the following statements about magnetic materials is NOT TRUE?

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A diamagnetic object is hung by a thread from a very sensitive spring balance between the poles of an electromagnet. When the magnetic field of the electromagnet is increased in magnitude, the reading of the spring balance will

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The relative permeability of a substance is 1.001, the substance is

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Domain formation is the necessary feature of 

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Explain ferromagnetism on the basis of domain theory?

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What is ferromagnetism on the basis of domain theory?

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What do you mean by magnetic domain explain ferromagnetism on the basis of magnetic domain theory?

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What happens to domains as a ferromagnetic substance is kept in an external magnetic field?