Page after page, this title proves that the power of attraction is undeniable. Readers move beyond a simple fascination with the power of magnets to a clear understanding of the science behind magnetics. Natural magnets, Earth's magnetic field, and the ties between electricity and magnetics are all featured, in addition to the creation and use of magnets in commercial and everyday applications. Information about the life and work of physicist Joseph Henry, a leading electromagnetics pioneer, and a timeline of important dates in the field are also included.A relay is a device that enables the current in one circuit to control the current in another. The second current ... Apart from the starter relay and other relays, the modern car is packed with electrical devices in which magnetism plays a key role .
|Title||:||The Basics of Magnetism|
|Publisher||:||The Rosen Publishing Group - 2014-07-15|