Equivalent resistance

  • #1
236
16

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
Science Advisor
Homework Helper
14,111
3,533
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 ...
 
  • Like
Likes arpon
  • #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
Science Advisor
Homework Helper
14,111
3,533
That's the idea, yes.
 
  • Like
Likes arpon

Related Threads on Equivalent resistance

  • Last Post
Replies
3
Views
2K
  • Last Post
Replies
8
Views
2K
  • Last Post
Replies
2
Views
1K
  • Last Post
Replies
6
Views
1K
  • Last Post
Replies
9
Views
1K
  • Last Post
Replies
1
Views
3K
  • Last Post
Replies
8
Views
2K
  • Last Post
Replies
15
Views
1K
  • Last Post
2
Replies
30
Views
3K
  • Last Post
Replies
4
Views
2K
Top