Equivalent resistance

  • #1
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Homework Statement


upload_2015-1-13_16-23-45.png

Calculate the equivalent resistance between A and B.[/B]


Homework Equations




The Attempt at a Solution


I solved this problem by using wye-delta transformation. Is there any other method to solve this? The speciality in this circuit, I noticed, two of resistances are 0.[/B]
 

Answers and Replies

  • #2
BvU
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Yes there is. Look at the square on the right. They try to confuse you by drawing it this way, but if you flip down the upper half, you see that the four 4 ##\Omega## resistors are in fact all ...
 
  • #3
236
16
Yes there is. Look at the square on the right. They try to confuse you by drawing it this way, but if you flip down the upper half, you see that the four 4 ##\Omega## resistors are in fact all ...
upload_2015-1-13_19-46-52.png

So, I can think C and E as the same point. D and F are the same point too. So, I can change this circuit intothis one:
upload_2015-1-13_19-55-4.png


Am I right?
 
  • #4
BvU
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That's the idea, yes.
 

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