Magnetism MCQ Questions and Answers Quiz

11. Electromagnets are used in

  1. loud speakers
  2. door bells
  3. both a and b
  4. cabinet doors

12. Magnetic susceptibility para-magnetic materials is

  1. +10 raised to -5
  2. -10 raised to -5
  3. 10 raised to 5
  4. 10 raised to -5 to 10 raised to -2

13. Magnetic susceptibility dia--magnetic materials is

  1. +10 raised to -5
  2. -10 raised to -5
  3. 10 raised to 5
  4. 10 raised to -5 to 10 raised to -2

14. Magnetic susceptibility ferro-magnetic materials is

  1. +10 raised to -5
  2. -10 raised to -5
  3. 10 raised to 5
  4. 10 raised to -5 to 10 raised to -2

15. Typical size of magnetic domains ................(mm).

  1. 10-1
  2. 0.1-1
  3. 0.05
  4. 0.001

16. Typical thickness of Bloch walls ................(nm).

  1. 0.1-1
  2. 10-1
  3. 10-50
  4. 100

17. Example for soft magnet

  1. 45 Permalloy
  2. CrO2
  3. Fe-Pd
  4. Alnico

18. Example for hard magnet

  1. 45 Permalloy
  2. CrO2
  3. Fe-Pd
  4. Alnico

19. Example for magnetic material used in data storage devices

  1. 45 Permalloy
  2. CrO2
  3. Cunife
  4. Alnico
Tags

MCQ Multiple Choice Questions and Answers on Magnetism

Magnetism Trivia Questions and Answers PDF

Magnetism Question and Answer

Spreading Knowledge Across the World

USA - United States of America  Canada  United Kingdom  Australia  New Zealand  South America  Brazil  Portugal  Netherland  South Africa  Ethiopia  Zambia  Singapore  Malaysia  India  China  UAE - Saudi Arabia  Qatar  Oman  Kuwait  Bahrain  Dubai  Israil  England  Scotland  Norway  Ireland  Denmark  France  Spain  Poland  and many more....