Magnetism
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MAGNETISM The
Phenomenon of attracting iron and pointing in the north-south direction is called magnetism Magnetite is natural magnet. Artificial magnet are man made.They are made of different shapes. Magnetic substances are those that are attracted by magnets and can be converted into magnets.
Properties of Magnet Property
of attraction:- Magnets attracts iron and opposite poles of other magnets. Property of repulsion:- Magnets repel like poles of other magnets Property of direction:- freely suspended magnets come to rest in the north – south direction
Uses of magnets Magnets are used in bulletin boards and toys. In dynamos of bicycles and automobiles. In an electricity meter, refrigerator door etc. In medicine, magnet therapy is gaining popularity today. Magnetic tapes are used as audio and video tapes and in computers to store information.
To Study the direction properties of magnet
W
S
N E
The Earth as a Magnet
The
earth behaves as if there is a huge magnet in it, having its north pole near the geographic south pole and its south pole near the geographic north pole.This is the reason why a freely suspended magnet comes to rest in the north-south direction .
PRESENTED BY: Mrs.
BHUPINDER SODHI GUDIED BY : MISS MANDEEP KAUR BABA SOHAN SINGH GOVT. SEC. SCHOOL BHAKNA KALAN AMRITSAR
Phenomenon of attracting iron and pointing in the north-south direction is called magnetism Magnetite is natural magnet. Artificial magnet are man made.They are made of different shapes. Magnetic substances are those that are attracted by magnets and can be converted into magnets.
Properties of Magnet Property
of attraction:- Magnets attracts iron and opposite poles of other magnets. Property of repulsion:- Magnets repel like poles of other magnets Property of direction:- freely suspended magnets come to rest in the north – south direction
Uses of magnets Magnets are used in bulletin boards and toys. In dynamos of bicycles and automobiles. In an electricity meter, refrigerator door etc. In medicine, magnet therapy is gaining popularity today. Magnetic tapes are used as audio and video tapes and in computers to store information.
To Study the direction properties of magnet
W
S
N E
The Earth as a Magnet
The
earth behaves as if there is a huge magnet in it, having its north pole near the geographic south pole and its south pole near the geographic north pole.This is the reason why a freely suspended magnet comes to rest in the north-south direction .
PRESENTED BY: Mrs.
BHUPINDER SODHI GUDIED BY : MISS MANDEEP KAUR BABA SOHAN SINGH GOVT. SEC. SCHOOL BHAKNA KALAN AMRITSAR
