define electrical resistance
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From the definition of resistance, it can be said that the unit of electric resistance is volt per ampere. One unit of resistance is such a resistance which causes 1 ampere current to flow through it when 1 volt potential difference is applied across the resistance.
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The voltage between the ends of a resistor and the ratio of the current flowing through it is called its electrical resistance. It is measured in ohms. Its inverse volume is electrical conductivity, whose unit is Simmons.
Where R is the resistance of the object, measured in ohms, equal to J · s / C²
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