Question bank/JEE Main/Physics
JEE MainPhysics
A wire of circular cross section has inner portion of radius R
made of material of resisitivity ρ and is surrounded by an outer portion
of thickness R made of a material of double resisitivity. Find the
resistance of length L of such a wire.
Show answer and solution
R = [IMAGE] = [IMAGE] =
Source: Grass-G / P-01 Physics Paper-01_Update.docx
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