JEE MAIN - Physics (2024 - 6th April Morning Shift - No. 6)
The value of unknown resistance $$(x)$$ for which the potential difference between $$B$$ and $$D$$ will be zero in the arrangement shown, is :
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3 $$\Omega$$
42 $$\Omega$$
6 $$\Omega$$
9 $$\Omega$$
Forklaring
Balanced wheatstone bridge.
$$\Rightarrow \quad 12 \times 0.5=(x+6) \times \frac{1}{2} \Rightarrow x=6 \Omega$$