Question

What are the four problem of bar magnet

Answer 1

The four problems of a bar magnet are as follows :-

(i) The bar magnet damages data when kept close to magnetic storage items.

(ii) The strength of the magnetic field cannot be changed.

(iii) The bar magnet damages electronic equipments .

(iv) Bar magnet's strength of magnetic field weakens when note stored in favorable conditions .

Hope it helps !

___________________________________________________________

Answer 2

The four problems of bar magnet are -

1. Bar magnet like other magnets can loose their properties  if they are heated , hammered or dropped from the height .

2. Bar magnet become weak if they are not stored properly .

3. Like other magnet ,the magnetic field generated by a bar magnet can damage electrical equipment .

4. A bar magnet is placed near a hard disk ,video cassette or even computer disk can caused the data stored by the magnetic particles on the item to be damaged .

Hope it helpful