Q). Diagram below shows a network of five resistances. Calculate the resistance between points X and Y.

Dear Student

The resistance in the Upper and lower limb have resistance 2​Ω  and 3​Ω  in series 
Rupper = 2 +3 = 5 ​Ω 
Rlower = 2 +3 = 5 ​Ω 

Now upper, middle and lower limbs are in parallel with resesistance 5​​Ω , 1Ω and 5Ω respectively
1Req=15+11+15         =1+5+15 Req =57=0.71 Ω

So equivalent resistance between X and Y is 0.71​Ω


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2.5 ohm
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