The word "inductor" is spelled with the letter "i" in the beginning, followed by "nd", "u", "ct", "o", and "r". The phonetic transcription of this word in IPA (International Phonetic Alphabet) would be /ɪnˈdʌktər/. The "i" is pronounced as "ih", the "nd" as a blend of "n" and "d", the "u" as "uh", the "ct" as a blend of "k" and "t", the "o" as "oh", and the "r" as "er". This word refers to a component in electrical circuits that stores energy in a magnetic field.
An inductor is an essential electronic component used in electrical circuits. It is specifically designed to store and release energy in the form of a magnetic field. Also known as a coil or choke, an inductor is made up of a tightly wound conducting wire around a core material, typically made of plastic, iron, or ferrite.
The primary function of an inductor is to oppose changes in current flowing through it. When an electric current passes through an inductor, it generates a magnetic field around it. This magnetic field stores the electrical energy, acting as a temporary battery. Subsequently, when the current flowing through the inductor changes or stops, the magnetic field begins to collapse, releasing the stored energy back into the circuit.
The inductance of an inductor determines its ability to store and release energy. Inductance defines the ratio between the change in current and the corresponding voltage induced in the inductor. It is measured in henries (H) and its value determines how much a given inductor resists changes in current.
Inductors find widespread use in various electronic applications, such as power supplies, electric motors, radios, and telecommunications devices. They serve various purposes, including filtering out unwanted noise and interference, energy storage, impedance matching, and transforming voltage levels. Inductors are indispensable components in the field of electronics, providing necessary functionality to achieve desired circuit behavior and ensure efficient electrical operation.
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Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "inductor" was first coined in the field of electricity and magnetism by the British scientist and engineer Michael Faraday in the early 19th century. Its etymology can be traced back to the Latin word "inductio", which means "leading" or "bringing in". Faraday used this term because an inductor is a component that "induces" or "brings in" an electrical current or electromotive force in a circuit. The word "inductor" thus became the name for a device that is designed to store and release electrical energy in the form of a magnetic field.