Physics · 2025
JEE Main · 22 January 2025, Shift 1 · Q39
Sliding contact of a potentiometer is in the middle of the potentiometer wire having resistance R_p =1 Ω as shown in the figure. An external…
Sliding contact of a potentiometer is in the middle of the potentiometer wire having resistance $\displaystyle \mathrm{R}_{\mathrm{p}}=1 \Omega$ as shown in the figure. An external resistance of $\displaystyle \mathrm{R}_{\mathrm{e}}=2 \Omega$ is connected via the sliding contact. The electric current in the circuit is :Official answer
From NTA’s final answer key for this paper.
(4)
1.$\displaystyle 0$ A
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.