Explore Electromagnetism and Magnetization Techniques
Discover the fascinating world of electromagnetism and magnetization through a series of practical experiments and demonstrations. Learn how to create electromagnets using everyday materials, differentiate between electromagnets and inductors, figure out polarity using compasses, make permanent magnets, guess polarity with compass readings, mark north poles, and more.
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Presentation Transcript
Electromagnet & Magnetization - DJ. Lee - JavaLab.org 1
Enamel wire preparation Peel off with sandpaper About 1m 2
Make a paper clip electromagnet What is the difference between a paper clip electromagnet and an inductor? 3
Figuring out the polarity Using the compass. 4
What if when change the pole? Using the compass. 5
Guessing the polarity, N or S? S N ( A ) ( B ) N S ( C ) ( D ) 6
Making a permanent magnet - Caution - Rub only one direction! Do not change rubbing direction during magnetization. 7
Guessing the polarity, N or S? N S ( A ) ( B ) S N ( C ) ( D ) 8
Marking the North Pole N S ( A ) ( B ) S N ( C ) ( D ) 9
Find the north direction & south direction Can you float the clip on water surface? 10
