the resistivity of two conductors A and B are 1.62×10-8 and 5.20×10-8 ohm meter respectively. find which of them is used in a) transportation of electricity and b) the making of heating coils? Why ?
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Electrical resistivity is a fundamental physical property of a material that measures how strongly an object resists electric current. (i) Conductor A with 1.62 x 10−8 Ω m resistivity is used for the Transportation of Electricity as it's resistivity is less than Conductor B and will resist less electricity.
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