After completing this chapter, you should be able to:
State the important properties of a magnet, artificial magnets, advanced methods of magnetization and demagnetization, magnetic field.
Explain Ewing’s molecular theory, modern theory of magnetism and based on it the classification of magnetic substance.
Discuss about the different elements of earth’s magnetic field and magnetic field produced by bar magnet in the Earth’s magnetic field in different orientations.
Understand the concept in electromagnetism and different instruments using magnetic effect of electric current.
Before beginning this chapter, you should be able to:
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