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Differentiate between resistance and resistivity.

Asked by somyap 28th April 2010, 6:31 AM
Answered by Expert

Dear student,

Electrical resistance is given by the formula



is the length (in units of meters)
A is the cross sectional area (in units of m2), and
ρ is the resistivity (in units of Ω·m) of the material


So resistivity is a characteristic of every material while resistance is the opposition offered by that material when in an electrically conductive circuit.

I means the same thing. RESISTIVITY is a name applied to material conductivity . RESISTANCE is the material property

Hope this helps.


Answered by Expert 28th April 2010, 6:43 AM
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