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question_answer1) For substances hysteresis (B - H) curves are given as shown in figure. For making temporary magnet which of the following is best.
question_answer2) A curve between magnetic moment and temperature of magnet is
question_answer3) The variation of magnetic susceptibility \[(\chi )\]with temperature for a diamagnetic substance is best represented by
question_answer4) The variation of magnetic susceptibility \[(\chi )\]with magnetising field for a paramagnetic substance is
question_answer5) The variation of magnetic susceptibility \[(\chi )\]with absolute temperature T for a ferromagnetic material is
question_answer6) The relative permeability \[({{\mu }_{r}})\] of a ferromagnetic substance varies with temperature (T) according to the curve
question_answer7) The basic magnetization curve for a ferromagnetic material is shown in figure. Then, the value of relative permeability is highest for the point
question_answer8) Which curve may best represent the current deflection in a tangent galvanometer
question_answer9) Some equipotential surfaces of the magnetic scalar potential are shown in the figure. Magnetic field at a point in the region is
question_answer10) The \[\chi -1/T\]graph for an alloy of paramagnetic nature is shown in Fig. The curie constant is, then
question_answer11) The figure illustrate 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 [AMU 2001]
question_answer12) The variation of the intensity of magnetisation (I) with respect to the magnetising field (H) in a diamagnetic substance is described by the graph [KCET 2002]
question_answer13) For ferromagnetic material, the relative permeability \[({{\mu }_{r}})\], versus magnetic intensity (H) has the following shape
question_answer14) The most appropriate magnetization M versus magnetising field H curve for a paramagnetic substance is
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