Home | | Science 9th std | Magnetism and Electromagnetism

Introduction - Magnetism and Electromagnetism | 9th Science : Magnetism and Electromagnetism

Chapter: 9th Science : Magnetism and Electromagnetism

Magnetism and Electromagnetism

There are two kinds of magnets that we can see around us: Natural magnet and Artificial magnet. Natural magnets exist in the nature. These kind of magnets can be found in rocks and sandy deposits in various parts of the world.

Magnetism and Electromagnetism

Introduction

Have you ever played with magnets? Do you wonder why it attracts iron? Magnets are always very attractive objects for the humans. In fact famous scientist Einstein mentioned that he was always attracted by magnets in his childhood. In the olden days magnets were used in the ships. Captains of the ships effectively used the magnets to identify the direction of the ship in the sea.


There are two kinds of magnets that we can see around us: Natural magnet and Artificial magnet. Natural magnets exist in the nature. These kind of magnets can be found in rocks and sandy deposits in various parts of the world. The strangest natural magnet is lodestone magnetite (Fig. 3.1)


The magnetic property in the natural magnets is permanent. It never gets destroyed. The lodestone are used to make compasses in the olden days. Arti cial magnets are made by us. The magnets available in the shops are basically arti cial magnets (Fig. 3.2) In this lesson we shall study about magnetic properties and how it is effectively used in day to day life.




 

Tags : Introduction , 9th Science : Magnetism and Electromagnetism
Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail
9th Science : Magnetism and Electromagnetism : Magnetism and Electromagnetism | Introduction


Privacy Policy, Terms and Conditions, DMCA Policy and Compliant

Copyright © 2018-2023 BrainKart.com; All Rights Reserved. Developed by Therithal info, Chennai.