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Magnetism and M...

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  • Question 1
    4 / -1

    The variation of magnetic susceptibility ( χ ) with absolute temperature T for a ferromagnetic material is

  • Question 2
    4 / -1

    The relative permeability (µr) of a ferromagnetic substance varies with temperature (T) according to the curve

  • Question 3
    4 / -1

    The basic magnetization curve for a ferromagnetic material is shown in figure. Then, the value of relative permeability is highest for the point

  • Question 4
    4 / -1

    Which curve may best represent the current deflection in a tangent galvanometer

  • Question 5
    4 / -1

    Some equipotential surfaces of the magnetic scalar potential are shown in the figure. Magnetic field at a point in the region is

  • Question 6
    4 / -1

    The χ–1/T graph for an alloy of paramagnetic nature is shown in fig. The curie constant is

  • Question 7
    4 / -1

    The figure illustrates how B, the flux density inside a sample of unmagnetised ferromagnetic material, varies with B0, the magnetic flux density in which the sample is kept. For the sample to be suitable for making a permanent magnet

  • Question 8
    4 / -1

    The variation of the intensity of magnetization (I) with respect to the magnetizing field (H) in a diamagnetic substance is described by the graph

  • Question 9
    4 / -1

    For ferromagnetic material, the relative permeability ( µr ) versus magnetic intensity (H) has the following shape

  • Question 10
    4 / -1

    The most appropriate magnetization M versus magnetizing field H curve for a paramagnetic substance is

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