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In the circuit shown, some potential difference is applied between A & B. The equivalent resistance between A & B is
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14 Ω 12.5 Ω 3.6 Ω 2.1 Ω |
3.6 Ω |
This is a balanced wheat stone bridge. SO there is no potential difference across 5$\Omega$. 9 $\Omega$ and 6 $\Omega$ are in parallel Equivalent resistance is $\frac{9\times 6}{9+6}$ = 3.6$\Omega$ |
