Two wire of the same meta have same leng...

Two wire of the same meta have same length, but their cross-sections are in the rati `3:1` . They are joined in series. The resistance of thicker wire is `10Omega` . The total resistance of the combination will be

`40Omega`

`(40)/(3)Omega`

`(5)/(2)Omega`

`100Omega`

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Equivalent resistance between the points A and B (in Omega) .
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