Introduction to electromagnetism is a quantity used to determine how a particle will behave in an electric field. There are three possible "types" of charge: positive, negative, and neutral. However, the distinction between positive and negative is by convention only. Electric charge is quantized in units of the elementary charge, formula_1, where a proton has a charge of formula_2 and an electron has a charge of formula_3. The SI unit of charge is the coulomb. The elementary charge formula_1 was first measured by Robert Millikan in his oil drop experiment in which the electric force on the particle is set to exactly counter
Scarlett (given name) Scarlett (given name) Scarlett is a feminine name derived from an English surname with an occupational meaning, referring to a person who sold cloth of scarlet. It gained popularity due to the character Scarlett O'Hara in Margaret Mitchell's best-selling novel "Gone with the Wind" and the film adaptation. The name was the 17th most popular name given to baby girls in the England and Wales in 2013 and the 30th most popular name given to baby girls in the United States in 2014. The name also has associations with the bright red color scarlet and, indirectly, with the Biblical scarlet