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ausoops
Joined: 21 Oct 2005
Location: virginia, brisbane
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 Posted:
Mon Sep 01, 2008 6:41 pm |
 
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ive got a DC mesh circuit that im trying to work out. im using mesh analysis as im only just starting. if someone can generate a 3x3 matrix of co-efficients for me it would be much appreciated. the circuit is below find current through 4ohm resistor.
[img]http://i172.photobucket.com/albums/w4/ausoops/cicuit.jpg[/img] |
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swb safari
Last edited by ausoops on Mon Sep 01, 2008 9:07 pm; edited 4 times in total |
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v840
Joined: 31 May 2005
Location: Sydney
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| Posted:
Mon Sep 01, 2008 6:45 pm |
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Auto Electrical section?
p.s you lost me at 'DC mesh circuit'. |
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|^^^^^^^^^^^^^^| ||
|.........SUZUKI..........| ||'|";, ____.
|_..._..._______===|=||_|__|..., ]
(@)'(@)"""''"**|(@)(@)*****''(@) |
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fool_injected
Joined: 08 May 2005
Location: www.waynecounty.com
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Mon Sep 01, 2008 7:24 pm |
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GOONA
Joined: 17 Sep 2003
Location: Canberra, ACT
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| Posted:
Tue Sep 02, 2008 11:10 am |
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My electronics isn't the best so feel free to correct me...
Don't quote me but i think this may be the matrix...
|3 1 0 10|
|-1 -10 -5 0|
|0 5 8 -6|
Hoping i've entered it correctly into the calculator...the current going through the 4ohm resister (I2) should be about 6.37mA. |
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ausoops
Joined: 21 Oct 2005
Location: virginia, brisbane
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| Posted:
Tue Sep 02, 2008 5:06 pm |
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yeah it is 6.3694 ish mA, i stuffed up the initial equation and missed a minus sign in front of the 5. thanks for checking. |
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swb safari |
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GOONA
Joined: 17 Sep 2003
Location: Canberra, ACT
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Tue Sep 02, 2008 6:08 pm |
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Hey i got it right, makes me feel pretty good now  |
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