Give two method for demagnetizing a manget
Solution:
A magnet can be demagnetized by the following ways :
1. A magnet may lose its magnetic property if it is hammered repeatedly.
2. A magnet loses its magnetic property after being strongly heated and hence, becomes an ordinary piece of metal.
3. By passing excessively AC current through it.
A magnet can be demagnetized by the following ways :
1. A magnet may lose its magnetic property if it is hammered repeatedly.
2. A magnet loses its magnetic property after being strongly heated and hence, becomes an ordinary piece of metal.
3. By passing excessively AC current through it.