Identify the correct statement(s) from among the following? a) Resistivity of a material is dependent on the nature of the material. (b) Resistivity of a material is independent of the area of cross section. (c) Resistivity of a pure metal is more than its alloy.

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Identify the correct statement(s) from among the following?

ANone of these

Bii only

Ci only

Di, ii

Answer:

Alloys have higher resistivity than pure metals due to the disruption of electron flow by impurities.
Statement (c) is incorrect.

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