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Ohm's law, based on experience, is in electrical engineering the basic law that establishes the connection of the electric current with the appearance of smartphones, gadgets, home appliances and other electrical engineering has radically changed the face of modern man. Great efforts have been made to study the physical laws to improve the old and create new technology. One of these dependencies is Ohm’s law. Georg Simon Om Ohm's Law - obtained experimentally (empirical) law, which establishes the relationship of the current in the conductor with the voltage at the ends of the conductor and its resistance, was discovered in 1826 by the German experimental physicist Georg Om. The rigorous formulation of Ohm’s law can be written as follows: the current in a conductor is directly proportional to the voltage at its ends (potential difference) and inversely proportional to the resistance of this. Ohm’s law formula is written as follows: U is the electrical voltage (potential difference), unit R is the electrical resistance conductor, unit of measure