Physics · 2026
JEE Main · 24 January 2026, Shift 2 · Q34
A moving coil galvanometer of resistance 100 Ω shows a full scale deflection for a current of 1 mA. The value of resistance required to convert this…
A moving coil galvanometer of resistance $\displaystyle 100 \Omega$ shows a full scale deflection for a current of $\displaystyle 1$ mA . The value of resistance required to convert this galvanometer into an ammeter, showing full scale deflection for a current of $\displaystyle 5$ mA , is $\displaystyle \_\_\_\_$ $\displaystyle \Omega$
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 25$
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.