Induktivität

Induktivität, often denoted by the symbol L, is a measure of the opposition to changes in the electric current through a circuit. It is a property of inductors, which are components designed to add inductance to a circuit. The inductance of a circuit is determined by the geometry of the circuit and the magnetic permeability of the material it is made of.

Inductors store energy in a magnetic field when electric current flows through them. This energy is released when the current changes, such as when the circuit is opened or the current direction is reversed. The inductance of an inductor is directly proportional to the number of turns in the coil and the area of the coil.

Induktivität is measured in henrys (H), named after the American scientist Joseph Henry. One henry is the inductance that causes a voltage of one volt to be induced when the current changes at a rate of one ampere per second.

Inductors have several practical applications, including filtering, energy storage, and signal processing. They are commonly used in electronic circuits to suppress noise, control current flow, and create oscillatory circuits.

Induktivität is an important concept in electrical engineering and is fundamental to the design and analysis of many electronic devices and systems. It is also a key parameter in the study of electromagnetic phenomena and the behavior of electrical circuits.