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The first, and perhaps most important, relationship between current, voltage, and resistance is called Ohm's Law, discovered by Georg Simon Ohm and published in his 1827 paper, The Galvanic Circuit Investigated Mathematically. Ohm's principal discovery was that the amount of electric current through a metal conductor in a circuit is directly proportional to the voltage impressed across it, for any given temperature. Ohm expressed his discovery in the form of a simple equation, describing how voltage, current, and resistance interrelate:

E = IR

In this algebraic expression, voltage (E) is equal to current (I) multiplied by resistance (R). Using algebra techniques, we can manipulate this equation into two variations, solving for I and for R, respectively: I = E/R and R = E/I.

answer discovered that relation only after VOLTA establish the voltage relationship and AMPERE discovered the current relationship. and of course WATTS establish the power.521

R=V

Resistance

OHMS

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Related Questions

Why there is a relationship between current and voltage?

because current is the ratio of voltage and resistance.


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