write a long note on georg Simon ohm. (no short note only long note)
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Georg Simon Ohm
the life of Georg Simon Ohm, the man who discovered electrical resistance and gave his name to Ohm's Law.
Ohm is a name which is synonymous with the most basic electrical and electronic theory.
Every person who has studied physics will have heard of Ohm's Law and will be familiar with the ohm as the unit of resistance.
Behind the unit and the law was a very real man. Someone who performed experiments with phenomena which were at the forefront of the science of the time. Despite being ridiculed by many, Ohm brought understanding to the phenomenon of electrical resistance.
Answer:
Early life
Georg Simon Ohm was born into a Protestant family in Erlangen, Brandenburg-Bayreuth (then a part of the Holy Roman Empire), son to Johann Wolfgang Ohm, a locksmith and Maria Elizabeth Beck, the daughter of a tailor in Erlangen. Although his parents had not been formally educated, Ohm's father was a respected man who had educated himself to a high level and was able to give his sons an excellent education through his own teachings.[4] Of the seven children of the family only three survived to adulthood: Georg Simon, his younger brother Martin, who later became a well-known mathematician, and his sister Elizabeth Barbara. His mother died when he was ten.
From early childhood, Georg and Martin were taught by their father who brought them to a high standard in mathematics, physics, chemistry and philosophy. Georg Simon attended Erlangen Gymnasium from age eleven to fifteen where he received little in the area of scientific training, which sharply contrasted with the inspired instruction that both Georg and Martin received from their father. This characteristic made the Ohms bear a resemblance to the Bernoulli family, as noted by Karl Christian von Langsdorf, a professor at the University of Erlangen.
Life in university
Georg Ohm's father, concerned that his son was wasting his educational opportunity, sent Ohm to Switzerland. There in September 1806 Ohm accepted a position as a mathematics teacher in a school in Gottstadt bei Nidau.
Karl Christian von Langsdorf left the University of Erlangen in early 1809 to take up a post in the University of Heidelberg. Ohm wanted to restart his mathematical studies with Langsdorf in Heidelberg. Langsdorf, however, advised Ohm to pursue mathematical studies on his own, and suggested that Ohm read works of Euler, Laplace and Lacroix. Rather reluctantly Ohm took his advice but he left his teaching post in Gottstatt Monastery in March 1809 to become a private tutor in Neuchâtel. For two years he carried out his duties as a tutor while he followed Langsdorf's advice and continued his private study of mathematics. Then in April 1811 he returned to the University of Erlangen.
Teaching career
Ohm's own studies prepared him for his doctorate which he received from the University of Erlangen on October 25, 1811. He immediately joined the faculty there as a lecturer in mathematics but left after three semesters because of unpromising prospects. He could not survive on his salary as a lecturer. The Bavarian government offered him a post as a teacher of mathematics and physics at a poor quality school in Bamberg which Ohm accepted in January 1813. Unhappy with his job, Georg began writing an elementary textbook on geometry as a way to prove his abilities. That school was closed in February 1816. The Bavarian government then sent Ohm to an overcrowded school in Bamberg to help out with the teaching of mathematics.