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Find the equivalent resistance of a circuit below

 
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Jul29-12, 08:39 PM   #1
 

Find the equivalent resistance of a circuit below


Find the equivalent resistance of the circuit shown below. Each of the six resistors has a resistance of 12 ohm.
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I just want to make sure I calculated everything right. I don't have the solution available.

Labelling the resistors from my left to the right: R1, R2, R3, R4, R5(bottom), R6

What I did:

R5 + R6 = R56

1/R56 + 1/R4 = R456

R456 + R3 = R3456

1/R3456 + 1/R2 = R23456

R23456 + R1 = Req = 20Ω

Thanks!
1. The problem statement, all variables and given/known data



2. Relevant equations



3. The attempt at a solution
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Jul29-12, 08:53 PM   #2
 
Your logic all looks correct to me. I don't have a calculator available, but your work looks fine and the answer seems reasonable.

Edit: The post below me is correct, I missed those errors.
Jul29-12, 10:59 PM   #3
 
Quote by shashaeee View Post
1/R56 + 1/R4 = R456
No, 1/R56 + 1/R4 = 1/R456


1/R3456 + 1/R2 = R23456
No, 1/R3456 + 1/R2 = 1/R23456
Jul29-12, 11:52 PM   #4
 

Find the equivalent resistance of a circuit below


The resistors are of equal value.
In calculation this value is substituted in the equations.
R5+R6=2R
Next the parallel resistor
2R.R/(2R+R)=2R/3
And the next configuration till R1
Jul30-12, 01:30 PM   #5
 
Thanks guys!
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