The radius (r), length (l) and resistance (R) of a metal wire was measured in the laboratory as {\r}=(0.35 \pm 0.05) {\cm} {\R}=(100 \pm 10) {\ohm} l=(15 \pm 0.2) {\cm} The percentage error in resistivity of the material of the wire is : [1-Feb-2024 Shift 1]

JEE Main 1-Feb-2024 Shift 1 Solved Paper

Section: Physics

Question : 44 of 90

Marks: +1, -0

The radius (r), length (l) and resistance (R) of a metal wire was measured in the laboratory as
r=(0.35±0.05)‌cm
R=(100±10)‌ohm
l=(15±0.2)‌cm
The percentage error in resistivity of the material of the wire is :

[1-Feb-2024 Shift 1]

25.6%
39.9%
37.3%
35.6%

Validate

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