Physics · 2023
JEE Main · 12 April 2023, Shift 1 · Q42
A wire of resistance 160 Ω is melted and drawn in a wire of one-fourth of its length. The new resistance of the wire will be
A wire of resistance $\displaystyle 160 \Omega$ is melted and drawn in a wire of one-fourth of its length. The new resistance of the wire will be
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 10 \Omega$
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.