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Units and Measurements: JEE Mains 2024 1st Feb Shift 1

Easy· Errors in measurement· +4 / −1

For measuring resistivity, the relation

R=\rho\frac{l}{A}=\frac{\rho l}{\pi r^2}

is used. Percentage error in resistance (

R

), in length (

l

) and in radius (

r

) are given

x

,

y

and

z

respectively. Find percentage error in resistivity

\rho

.

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Previous-year question from JEE Mains 2024 1st Feb Shift 1.
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