Methods of Magnetization and Demagnetization
 

Methods of Magnetization and Demagnetization problem 20


A student wishes to magnetize two steel bars X and Y. She places bar X in a coil connected to a d.c power supply. She places bar Y parallel to a magnetic field and hammers it.


Which bar becomes magnetised?


  • X and Y

  • X only

  • Y only

  • Neither X nor Y


 

main author and content editor: Odafe Adjeke