Magnetic induction intensity is a basic physical quantity used to describe the strength and direction of a magnetic field. Magnetic induction intensity is a vector type, that is, it has both direction and magnitude. It is commonly represented by the symbol "B"
The unit of magnetic induction intensity is Tesla, with the symbol "T". It was established at the International Congress of Metrology in Paris in 1960 to commemorate the Serbian-American inventor, physicist, and mechanic who made important contributions to the field of electromagnetism. Named after engineer and electrical engineer Nikola Tesla.
Nikola Tesla (English name: Nikola Tesla, Serbian name: Никола Тесла), a Serbian nationality, was born at midnight on July 10, 1856, in the Austrian Empire (now Croatia and Croatia) A family of Serb clergy in the village of Simiwan, Lika Province, Russia. After graduating from the University of Prague in 1880, he immigrated to the United States in 1884, became a U.S. citizen, and received honorary doctorates from Yale University and Columbia University.
So, to be precise, Nikola Tesla should be born in the Austrian Empire (now the Republic of Croatia) and a Serbian with American nationality.