state Ohm's law???????
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Ohm's law may be expressed mathematically as V/I = R. That the resistance, or the ratio of voltage to current, for all or part of an electric circuit at a fixed temperature is generally constant had been established by 1827 as a result of the investigations of the German physicist Georg Simon Ohm.
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according to the ohms law the current flowing through a metallic conductor is directly proportional to the potential difference across its terminals, provided physical conditiona of the conductor such as length,area of cross section
temperature and material remain constant
V=IR (R is constant)
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