Physics, asked by madhub178, 9 months ago

A wire of length L, made of material of resistivity ρ is cut into 2 equal parts. The resistivity of the 2 parts are equal to : a) ρ/2 b) 2ρ c) ρ d) 4ρ

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Answered by ECHAYAN

2

Answer:

option b is the answer......steps in attachment ....

R is the resistance... and A is the area of cross section.

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