Physics · 2021
JEE Main · 18 March 2021, Shift 1 · Q13
In the experiment of Ohm's law, a potential difference of 5.0 V is applied across the end of a conductor of length 10.0 cm and diameter of 5.00 mm.…
In the experiment of Ohm's law, a potential difference of $\displaystyle 5.0$ V is applied across the end of a conductor of length $\displaystyle 10.0$ cm and diameter of $\displaystyle 5.00$ mm. The measured current in the conductor is $\displaystyle 2.00$ A . The maximum permissible percentage error in the resistivity of the conductor is :
Official answer
(1)
$\displaystyle 3.9$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.