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 | 10 Facts On The Great Holy Roman Emperor. # 1 1 His father Pepin the Short was first of the Carolingians to become King. # 2 2 Charlemagne became co-ruler of the Frankish kingdom in 768. # 3 3 He became sole ruler of the Franks in 771 and the King of Italy in 774. # 4 4 He was involved in a long running campaign against Muslim Spain.