Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Which of the following is true about the magnetism?
When a magnet is cut into halves; magnetism is lost.
When a magnet is cut into halves; isolated poles of magnet is obtained
When a magnet is cut into halves; two magnets each with north and south pole is obtained
We cannot cut a magnet in two parts
Who discovered the link between electricity and magnetism?
Maxwell
Diesel
Hans Christian Oersted
Volta
Magnetism at the center of a bar magnet is _______.
high
maximum
around-Zero
minimum or maximum
How is the residual magnetism from a material removed?
Magnetron
Switching off magnetic eld
Coercivity
Which of the following material does not retain magnetism permanently-
Hardness steel
Stainless Steel
Soft iron
None of the above
