Kirchhoff’s Rules: Circuit Question

1. The problem statement, all variables and given/known data
If R1 is 3Ω, R2 is 6Ω and R3 is 9Ω, what are the three currents in figure 16-4, in which the batteries are 6.0v and 12.0v?

2. Relevant equations
I1+I2+I3

3. The attempt at a solution

I’ve got three equations so far

I worked out

+6-3I1-9I2=0

and

+12-6+6I2-9I=0

For the next step I have to find I1 in terms of I2 but I’m not sure how I do that


1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

http://ift.tt/1kklPHs

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