The electric constant () is the permittivity of vacuum, a physical constant, defined by: Permittivity is an intensive physical quantity that describes how an electric field affects and is affected by a medium. ... For other uses, see vacuum cleaner and Vacuum (musical group). ... In science, a physical constant is a physical quantity whose numerical value does not change. ...
The farad (symbol: F) is the SI unit of capacitance. ... The metre (Commonwealth English) or meter (American English) (symbol: m) is the SI base unit of length. ...
NIST - CODATA 2002 recommended values - electric constant. URL accessed on August 31, 2005.
Categories: Physical constants | Vacuum August 31 is the 243rd day of the year in the Gregorian calendar (244th in leap years), with 122 days remaining, as the final day of August. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ...
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