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On what factors does the resistance of a...

On what factors does the resistance of a conductor depend ?

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The resistance R of a conductor depends on :
(1) its length as Rol (2) its area of crosssection (1.e.thickness of the conductor) as
`R prop 1/A` (3) the nature of the material of the conductor (1.e. resistivity of material of the conductor) (4) Its temperature
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