Conductance
Conductance
Conductance (/kənˈdʌktəns/) is a measure of how easily electricity flows through a particular material or object. It is the reciprocal of resistance, and is measured in siemens (S).
Etymology
The term "conductance" is derived from the verb "conduct," which comes from the Latin conducere, meaning "to lead or bring together." The suffix "-ance" is used to form nouns from verbs, indicating a state or condition.
Definition
In the field of physics and electrical engineering, conductance is defined as the ease with which an electric current passes. It is the inverse of electrical resistance and is measured in siemens (S). The formula to calculate conductance (G) is G = 1/R, where R is the resistance.
Related Terms
- Resistance: The opposition to the flow of electric current, resulting in the conversion of electrical energy into heat. It is the inverse of conductance.
- Siemens: The SI unit of electrical conductance. It is equal to one ampere per volt.
- Ohm's Law: A fundamental principle in electrical engineering that states the current passing through a conductor is directly proportional to the voltage across it and inversely proportional to its resistance.
- Semiconductor: A material with electrical conductivity between that of a conductor and an insulator. Semiconductors are used extensively in electronic circuits.
See Also
External links
- Medical encyclopedia article on Conductance
- Wikipedia's article - Conductance
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