Physics · 2026
JEE Main · 4 April 2026, Shift 1 · Q37
A voltmeter with internal resistance of x Ω can be used to measure upto 20 V. In order to increase its measuring range to 30 V, the required…
A voltmeter with internal resistance of $\displaystyle x \Omega$ can be used to measure upto $\displaystyle 20$ V . In order to increase its measuring range to $\displaystyle 30$ V , the required modification is to $\displaystyle \_\_\_\_$.
Official answer
From NTA’s final answer key for this paper.
(1)
connect resistor of $\displaystyle \frac{x}{2} \Omega$, in series with voltmeter.
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.