Magnetism And Electromagnetism Multiple Choice Questions and Answers

46.  Soft magnetic material is

   A. Tungsten steel

   B. Alcomax

   C. Bismuth

   D. Iron

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

48.  Iron is a

   A. Ferromagnetic

   B. Ferrimagnetic

   C. Paramagnetic

   D. Antiferromagnetic material

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

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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