what is the diff between resistance and resistivity
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opposition offered to the flow of current is resistance denoted by R
The resistance of 1cubic meter of wire is resistivity also called specific resistance denoted by ρ which does not depend upon dimention,it only depends upon nature and temperature of substance.
resistance does depend upon dimention too.
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Resistance is the physical property of a substance because of which it opposes the flow of current i.e. electrons. Resistivity is the physical property of a particular substance which is having particular dimensions.
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