Priority Mail Flat Rate is a 1 to 3 day shipping service provided by the U.S. Postal Service (USPS) that features one flat rate for delivery of a package or envelope to its destination. The service allows a maximum weight of 70 lbs. or less for each envelope or package.
Ampere definition. Ampere or amp (symbol: A) is the unit of electrical current. The Ampere unit is named after Andre-Marie Ampere, from France. One Ampere is defined as the current that flows with electric charge of one Coulomb per second. 1 A = 1 C/s.
The ampere (SI unit symbol: A, dimension symbol: I), often shortened to amp, is a unit of electric current. In the International System of Units (SI) the ampere is one of the seven SI base units. It is named after AndrÃ©-Marie AmpÃ¨re (1775â1836), French mathematician and physicist, considered the father of electrodynamics.