Physics · 2024
JEE Main · 9 April 2024, Shift 1 · Q50
A galvanmeter has a coil of resistance 200 Ω with a full scale deflection at 20 μ A. The value of resistance to be added to use it as an ammeter of…
A galvanmeter has a coil of resistance $\displaystyle 200 \Omega$ with a full scale deflection at $\displaystyle 20 \mu \mathrm{~A}$. The value of resistance to be added to use it as an ammeter of range ($\displaystyle 0$-$\displaystyle 20$) mA is :
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 0.20 \Omega$
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JEE Main 2024 Physics question, with the answer from NTA’s final answer key. Where our answers come from.