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Modern smart phones have added a built-in layer of abstraction whereby individuals or businesses are saved into a contacts application (akin to an electronic address book) and the numbers no longer have to be written down or memorized. A telephone number serves as an address for switching telephone calls using a system of destination code ...
Area codes for mobile numbers begin with 6, corporate or state institution numbers with 7, toll-free, reverse-charge and shared-cost numbers with 8, and premium-rate numbers with 9. [1] Network services numbers begin with "1", dialed without a prefix. This includes numbers beginning with "11", reserved for emergency and special services, such as:
Nuclear charge is the electric charge of a nucleus of an atom, equal to the number of protons in the nucleus times the elementary charge. In contrast, the effective nuclear charge is the attractive positive charge of nuclear protons acting on valence electrons, which is always less than the total number of protons present in a nucleus due to ...
The Turabay dynasty was a family of Bedouin emirs who governed the district of Lajjun in northern Palestine during Ottoman rule in the 16th–17th centuries. The family's forebears had served as chiefs of Jezreel Valley during Mamluk rule in the late 15th century.
Mortgage Electronic Registration Systems, Inc. (MERS) is an American privately held corporation. [1] MERS is a separate and distinct corporation that serves as a nominee on mortgages after the turn of the century and is owned by holding company MERSCORP Holdings, Inc., which owns and operates an electronic registry known as the MERS system, which is designed to track servicing rights and ...
Telephone numbers in Mexico are regulated by the Federal Telecommunications Institute, an independent government agency of Mexico. The agency published the Fundamental Technical Plan for Numbering ( Plan Técnico Fundamental de Numeración ) on May 11, 2013. [ 1 ]
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In electromagnetism, charge density is the amount of electric charge per unit length, surface area, or volume. Volume charge density (symbolized by the Greek letter ρ) is the quantity of charge per unit volume, measured in the SI system in coulombs per cubic meter (C⋅m −3), at any point in a volume.