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Solved Problems-2

Problems-2
Find the equivalent resistance between the terminals A and B of the circuit shown below.
 
Description: Description: 2262.png
 
Solution
Converting star into delta,
Description: Description: 3625.png
Description: Description: 3631.png
Description: Description: 3640.png
Description: Description: 1635.png
Description: Description: 2285.png
 
 
Combining the parallel connections of 5 Ω and 15.8 Ω and 4 Ω and 26.33 Ω, we have the reduced circuit.
 
Again, converting the delta made of 6 Ω, 4 Ω and 9.875 Ω into equivalent star,
 
Description: Description: 3650.png
 
Description: Description: 3656.png
 
Description: Description: 3662.png
Description: Description: 3668.png
 
Description: Description: 1658.png
 
 
So, the given circuit becomes as shown in figure.
∴  Description: Description: 3698.png Ans.
 




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