A uniform wire of cross-sectional area A, length L, and resistance R is cut into two parts. The resistivity of each part:

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Academy of PakistanTest & Learning

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102PhysicsMedium

AIs halved

BBecomes zero

CRemains unchanged

DIs doubled

Correct answer

C. Remains unchanged

Explanation

Remains unchanged is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

A uniform wire of cross-sectional area A, length L, and resistance R is cut into two parts. The resistivity of each part: - Answer and Explanation | Academy of Pakistan