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What is resistance its si unit and formula |
| Answer» Resistance is the opposition that a substance offers to the flow of electric current . It is represented by the uppercase letter R. The standard unit of resistance is the ohm sometimes written out as a word, and sometimes symbolized by the uppercase Greek letter omega The SI unit of resistance is Ohm\'sIt is the interruption in the path of electric current which slows down the flow and produces heat.R = V/IV: voltageI: currentR: resistance | |