Inductor in a DC Circuit. DC-Circuits > Inductor in a DC Circuit. An Inductor is a passive device that stores energy in its Magnetic Field and returns energy to the circuit whenever required. An Inductor is formed by a cylindrical Core with many Turns of conducting wire. Figure 1 and Figure 2 are the basic structure and the schematic symbol of the Inductor.
Charlemagne was crowned Emperor of the Roman People on December 25,  800 AD, by Pope Leo III, in St. Peter's Basilica, in Rome. His  empire, however, is not usually consider â¦ ed the same as the Holy  Roman Empire.    Today, the empire of which he was crowned is usually called the  Carolingian Empire.
Charlemagne, or Charles the Great, was king of the Franks between 768 and 814, and emperor of the West between 800 and 814.