MAGNETIC MATERIALS : MCQ ON MAGNETIC MATERILAS SET 4

 

Q1 Basic source of magnetism is


  • (a) Charged particles alone
  • (b) movement of charged particles
  • (c) magnetic dipoles 
  • (d) magnetic domains

  • (b) movement of charged particles

Q2 A charge q is moving in a magnetic field, then the magnetic force does not depend upon

  • (a) Charge 
  • (b) mass 
  • (c) velocity 
  • (d) magnetic field 

  • (b) mass 

Q3 The ratio of intensity of magnetization to the magnetizing force is called____

  • a) Coercivity
  • b) Hysteresis 
  • c) Magnetic susceptibility
  • d) Magnetic Moment

  • c) Magnetic susceptibility

Q4 If magnetic moment of a substance is zero, then substance is 


  • (a)Diamagnetic 
  • (b) paramagnetic 
  • (c) ferromagnetic
  • (d) antiferromagnetic

  • (a)Diamagnetic 

Q5 Magnetic susceptibility for diamagnetic material is


  • (a) Small and negative 
  • (b) small and positive 
  • (c) large and positive 
  • (d) large and negative

  • (a)Small and negative 

Q6 Which of the following is diamagnetic substance

  • (a)Nickel 
  • (b) cobalt 
  • (c) platinum 
  • (d) water

  • (d) water

Q7  A bar of paramagnetic material is placed in a strong external magnetic filed. Then, the field inside it is likely to


  • (a) Remain the same 
  • (b) increase
  • (c) vanish completely 
  • (d) decrease


  • (b) increase

Q8 Permeability of paramagnetic substances is

  • (a) Zero 
  • (b) Unity 
  • (c) More than unity 
  • (d) Less than unity

  • (c) More than unity

Q9.  Relative magnetic permeability is unit less.

  • a) True
  • b) False

  • a) True

Q10 A diamagnetic substance obeys curie law

  • a) True
  • b) False

    b) False

  

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