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 (c. 747 - c. 814) Charlemagne Â© Charlemagne (Charles the Great) was king of the Franks and Christian emperor of the West. He did much to define the shape and character of medieval Europe and presided over the Carolingian Renaissance. Charlemagne was born in the late 740s near LiÃ¨ge in modern day Belgium, the son of the Frankish king Pepin the Short. When Pepin died in 768, his kingdom was divided between his two sons and for three years Charlemagne ruled with his younger brother Carloman. When Carloman died suddenly in 771, Charlemagne became sole ruler. Charlemagne spent the early part of his reign on several military campaigns to expand his kingdom.