Mesh analysis

  • Thread starter vs55
  • Start date
  • #1
21
0

Homework Statement


Use mesh analysis to determine i1,i2 and i3


Homework Equations





The Attempt at a Solution


using mesh analysis i get rid of the 3A current source and the 1ohm resistor
1) -6 + 2(i1 - i3) + 4(i2 - i3) + 8i2 = 0
2) 2(i3 -i1) + 2i3 + 4(i3 - i2) =0
3)i1 + i3 = 3


i'm not sure if i have the right equations set up. For the last equation i also used
i1 + i3 = 3 +i2 to try and solve but the answer was still wrong
i have no idea what i have wrong
 

Attachments

  • Untitled.jpg
    Untitled.jpg
    19.3 KB · Views: 366

Answers and Replies

  • #2
your last equation is wrong. It must be i1-i2=3 .
The current at a branch is equal to the algebraic sum of the relevant mesh currents.
 
  • #3
21
0
dam can't believe i messed up that simple formula thx
 

Related Threads on Mesh analysis

  • Last Post
Replies
5
Views
3K
  • Last Post
Replies
9
Views
1K
  • Last Post
2
Replies
25
Views
3K
  • Last Post
Replies
2
Views
2K
  • Last Post
Replies
2
Views
3K
  • Last Post
Replies
9
Views
2K
  • Last Post
Replies
1
Views
2K
  • Last Post
Replies
7
Views
989
  • Last Post
2
Replies
43
Views
4K
  • Last Post
Replies
1
Views
5K
Top