The equation $$i = \frac{v}{r}$$ represents Ohm's Law, which states that the current (i) flowing through a conductor between two points is directly proportional to the voltage (v) across the two points and inversely proportional to the resistance (r) of the conductor. This relationship is crucial in understanding how electrical circuits function, as it helps predict how changing one parameter affects the others, highlighting the interplay between voltage, current, and resistance.
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