cheyanne-mattox documents

Electromagnetism chapter 21. Magnets Magnetic forces are known since 6th century B.C. Permanent magnets made from: Co, Ni,Fe each magnet has two poles:
Documents Electromagnetism chapter 21. Magnets Magnetic forces are known since 6th century B.C. Permanent magnets made from: Co, Ni,Fe each magnet has two poles: