Creating books and learning materials students love.
Simple Electromagnetic Devices
What is an electromagnet? How are they related to "regular" magnets? How can electricity be created and used to turn a motor?This course answers these questions with a series of demonstrations the student performs for himself. He gets to make his own electromagnet and use it to build a simple motor and a telegraph for sending Morse code.From this experience he will understand first-hand what makes things like loudspeakers, doorbells and electric clocks work.