Physics · 2021
JEE Main · 25 July 2021, Shift 2 · Q13
The given potentiometer has its wire of resistance 10 Ω. When the sliding contact is in the middle of the potentiometer wire, the potential drop…
The given potentiometer has its wire of resistance $\displaystyle 10 \Omega$. When the sliding contact is in the middle of the potentiometer wire, the potential drop across $\displaystyle 2 \Omega$ resistor is :
Official answer
(3)
$\displaystyle \frac{40}{9} \mathrm{~V}$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.