RN has various meanings in the Health category. Discover the full forms, definitions, and usage contexts of RN in Health.
Resistance, represented by the symbol R and measured in ohms, is a measure of the opposition to electrical flow in DC systems. Resistance is the voltage across an element divided by the current (R = V/I).
HealthHaving to do with the kidney. For example, renal cancer is cancer of the kidneys.
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