How to use Kirchoff’s Laws

I1=I4

I1=I2+I3

I4+I5+I6

• Here are the node equations from applying Kirchoff’s current law:

I6R6-I5R5=0

-I2R2b-I2R2a+ I3R3 =0

-VB+I1R1+I2R2a+ I2R2b+I4R4+I5R5 = 0

• There are simpler ways of analyzing this circuit, but this illustrates Kirchoff’s laws

Six equations, six unknowns….

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