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This program traces the relationship between magnetism and electricity from the first accidental discovery of induced current. The concepts of electric and magnetic fields are introduced and their representation explored. The features of coils and solenoids are examined to develop the construction of practical electromechanical devices such as solenoid switches and electromagnets. Hand rules are introduced to help determine the alignment of currents and fields. Specific modules include Electric Fields, Magnetism, Magnetic Fields, Electromagnetism, Left -Hand Rule, Electric Coils, Solenoids, Solenoid Switches, and Electromagnets.
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