What is the shape of the graph obtained by plotting potential difference. V applied across a conductor against teh current I flowing through it when the temperature is constant? What does the slope of this V-I graph at any point represent?
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the graph is a straight line passing through the origin . the slope of V_I graph will give the resistance
and is given by R=V₂-V₁/I₂-I₁
and is given by R=V₂-V₁/I₂-I₁
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