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The dependences of the magnetic susceptibility $$\left( \chi \right)$$ of a material with temperature (T) can be represented by $$\chi \propto \frac{1}{{T - \theta }},$$   where θ is the Curie-Weiss temperature. The plot of magnetic susceptibility versus temperature is sketched in the figure, as curves P, Q and R with curve Q having θ = 0. Which one of the following statements is correct?
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In Paramagnetic oxygen analyzer, the expression for magnitude of force produced can be expressed as, F = C (K-KO), where K= magnetic susceptibility of surrounding gas and KO= magnetic susceptibility of sphere. C denotes which of the following?
A paramagnetic material had a magnetic field intensity of 104 A/m. If the susceptibility of the material at room temperature is 3.7×10-3, calculate the flux density in the material.
For paramagnetic material magnesium, the susceptibility at 300 K is 1.20 × 10-5 at what temperature will the susceptibility increases to 2.4× 10-5  
A paramagnetic material had a magnetic field intensity of 104 A/m. If the susceptibility of the material at room temperature is 3.7×10-3, calculate the magnetisation.
Some magnetic materials may be classified on the basis of 1. Susceptibility 2. Saturation 3. Spin arrangement 4. Nature of hysteresis loop 5. Domain structure 6. Critical temperature above which it behaves as a paramagnetic material Which of these can be used to distinguish between ferri and ferromagnetic materials?
The correct order of Magnetic susceptibility of Paramagnetic (χMP), diamagnetic (χMD), ferromagnetic (χMF) materials is
Find the correct combination regarding relative permeability and magnetic susceptibility of a paramagnetic substance.
Consider the following statements regarding magnetic materials: 1. A diamagnetic material has no permanent dipole 2. Paramagnetic material has anti parallel orientation of equal moments with neighbouring dipoles 3. Ferrimagentic material has anti parallel orientation of unequal moments between neighbouring diploes Which of these statements are correct?
Among the following properties describing diamagnetism identify the property that is wrongly stated a) diamagnetic material do not have permanent magnetic moment. b) diamagnetism is explained in terms of electromagnetic induction c) diamagnetic materials have a small positive susceptibility d) the magnetic moment of individual electrons neutralise each other