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Physics · 2026 · 1 mark
CBSE 2026 · Region 2 · Set 1 · Q7
A galvanometer of resistance 27 Ω is converted into an ammeter of range ( 0-10 mA ) using a resistance of 3 Ω. The galvanometer will show full scale…
A galvanometer of resistance $\displaystyle 27 \Omega$ is converted into an ammeter of range ( $\displaystyle 0-10 \mathrm{~mA}$ ) using a resistance of $\displaystyle 3 \Omega$. The galvanometer will show full scale deflection for a current of about -
Official answer
(C)
$\displaystyle 1$ mA
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CBSE Class 12 Physics past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.