Magnetism And Electromagnetism Multiple Choice Questions and Answers


46.  Soft magnetic material is


   A. Tungsten steel

   B. Alcomax

   C. Bismuth

   D. Iron


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D. Iron

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47.  The magnetic susceptibility of a paramagnetic material is


   A. Less than zero

   B. Less than one but positive

   C. Greater than one

   D. Equal to zero


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B. Less than one but positive

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48.  Iron is a


   A. Ferromagnetic

   B. Ferrimagnetic

   C. Paramagnetic

   D. Antiferromagnetic material


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A. Ferromagnetic

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49.  The magnetic materials exhibit the property of magnetisation due to


   A. Spin of nucleus

   B. Spin of electrons

   C. Orbital motion of electrons

   D. All of the above


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D. All of the above

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50.  Soft magnetic materials have


   A. High permeability and low coercive force

   B. Low permeability and high coercive force

   C. High residual magnetism

   D. Low resistivity


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A. High permeability and low coercive force

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