Question 51 of 380

Equivalent resistance of the following network is ________ $\Omega$.

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Answer: 1

In the above diagram, $6\Omega$ is short circuit. Therefore, we can remove it.

In the left part, $2\Omega$ and $2\Omega$ are in parallel combination, which will give us $1\Omega$ which again in turn is in series combination with the $2\Omega$(adjacent to $3\Omega$ resistor), therefore net contribution of this part will be $1\Omega +2\Omega =3\Omega$.

Now, all three $3\Omega$ are in parallel across point A & B, therefore ${R}_{eq}=3\times \dfrac{1}{3}=1\Omega$

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