Question

calculate the effective resistance between the points x &y and points a&b in the given figure ​

Answer 1

Explanation:

In the diagram, 2Ω and 1Ω resistances are in series.The equivalent resistance of the arm R’ = 2 + 1 = 3Ω

Between the points A and B, equivalent resistance R’ (= 3Ω) is in parallel with 1.5Ω

Hence, total effective resistance between A and B is

R = 3 x 1.5/3 + 1.5 = 4.5/4.5

= 1.0 Ω

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