Magnetism and Electromagnetism

State Council of Educational Research and Training, Tamil Nadu (2020) Magnetism and Electromagnetism. [Teaching/Learning Resource]

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Have you ever played with magnets? Do you wonder why it attracts iron? Magnets are always attractive objects for the humans. In fact famous scientist Einstein has 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 strongest natural magnet is lodestone magnetite.

Item Type: Teaching/Learning Resource
Program: A publication under Free Textbook Programme of Government of Tamil Nadu
Learning outcomes: After completing this lesson, students will be able to � understand the concept of magnetic field. � know the properties of magnetic field lines. � calculate the force exerted on a current carrying conductor in a magnetic field. � understand the force between two parallel current carrying conductors. � know the concept of electromagnetic induction and apply it in the case of generators. � appreciate how voltage can be increased or decreased using transformers. � understand the applications of electromagnet and apply the knowledge in constructing devices using electromagnets.
Access: Open
Uncontrolled Keywords: physics
Subjects: Science General
Curriculam Level: 5. Senior Secondary
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Depositing User: COL Staff
Date Deposited: 11 Apr 2021 05:24
Last Modified: 22 Apr 2021 00:43

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