Use KCL to solve a Very simple electrical circuit

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qpham26
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Homework Statement



Given
I0=-2 A
I1=-4 A
Is= 8 A
Vs= 12 V

Find all the unknown currents.

http://sphotos-a.xx.fbcdn.net/hphotos-snc7/398253_493549703997883_2004542070_n.jpg

Homework Equations



Kirchhoff’s current law

The Attempt at a Solution


I start at node a and found I2= 6 A
and then from R2 follow the current to find out that

Is= I3 + I2 = 8A => I3= 2 A

thanks for your time.
 
Last edited by a moderator:
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qpham26 said:

Homework Statement



Given
I0=-2 A
I1=-4 A
Is= 8 A
Vs= 12 V

Find all the unknown currents.

http://sphotos-a.xx.fbcdn.net/hphotos-snc7/398253_493549703997883_2004542070_n.jpg

Homework Equations



Kirchhoff’s current law

The Attempt at a Solution


I start at node a and found I2= 6 A
and then from R2 follow the current to find out that

Is= I3 + I2 = 8A => I3= 2 A

thanks for your time.
Yes.
 
Last edited by a moderator: