A wire of length 3 m connected in the left gap of a meter-bridge balances 8$\Omega$ resistance in the right gap at a point, which divides the bridge wire in the ratio 3: 2. The length of the wire corresponding to resistance of 1$\Omega$ is
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Physics Tip: A meter bridge is a practical application of the Wheatstone bridge principle. Always remember that the resistance in the gaps is directly proportional to the lengths of the bridge wire segments at the balance point.