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$3 \Omega$ $4 \Omega$ $2 \Omega$ $7 \Omega$ |
$2 \Omega$ |
$\frac{X}{3} = \frac{L}{M} = \frac{40cm}{60cm} $ $\Rightarrow X = 2\Omega$ |
The slide wire Wheatstone bridge shown in Fig. is balanced when the uniform slide wire AB is divided as shown. Find the value of the resistance X.