Inductance
Inductance
Inductance (pronounced: /ɪnˈdʌktəns/) is a property of an electrical circuit that opposes a change in the current. It is a fundamental concept in electromagnetism and is used in many areas of electrical engineering, including power systems, signal processing, and telecommunications.
Etymology
The term "inductance" was coined by Oliver Heaviside in February 1886. It is derived from the term "induction", which was used by Michael Faraday for the discovery of the phenomenon, and the suffix "-ance" which is used in English to form nouns from adjectives.
Definition
Inductance is defined as the ratio of the electromotive force to the rate of change of current in a circuit. It is usually denoted by the symbol L and is measured in henries (H), named after the American scientist Joseph Henry.
Types of Inductance
There are two types of inductance: self-inductance and mutual inductance. Self-inductance is the property of a circuit where a change in current induces a voltage in the same circuit. Mutual inductance is the property where a change in current in one circuit induces a voltage in another circuit.
Related Terms
See Also
External links
- Medical encyclopedia article on Inductance
- Wikipedia's article - Inductance
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