The VI graph for two metals is shown below.which one will have higher resistivity ?
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The slope I/V of the graph represents 1/R. Since the graph marked Y has a lesser slope, it represents higher resistance. Since the length and diameter of the two wires same, using the relation R=ρ l/A the resistivity of wire Y will be higher.
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Which expression is equivalent to b^-1a^-1/2b^3/2 ?
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