Learn
Practice
Download App
News
FAQs
Help
German (DE)
English (EN)
Spanish (ES)
French (FR)
Yoruba (NG)
Igbo (NG)
Hausa (NG)
Dutch (NL)
Portuguese (PT)
Swahili (TZ)
A bar magnet is most effectively demagnetized by
Question 1
Report
A bar magnet is most effectively demagnetized by
placing it in a N - 5 position and hitting it with a hammer
subjecting it to an electric current from a battery
bringing its north pole in contact with the north pole of a very strong magnet
heating the magnet
Answer Details
Read lesson note on Magnets And Magnetic Fields (JAMB)
Magnets And Magnetic Fields
View Answer