The magnetic constant (μ0) is the permeability of vacuum. It is a physical constant not defined by other physical constants. In electromagnetism, permeability is the degree of magnetisation of a material that responds linearly to an applied magnetic field. ... 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 newton (symbol: N) is the SI unit of force. ... The ampere (symbol: A) is the SI base unit of electrical current equal to one coulomb per second. ...
NIST - CODATA 2002 recommended values - magnetic constant. URL accessed on August 31, 2005.
Category: Physical constants 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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