kirchoffs law

WBahn

Joined Mar 31, 2012
30,077
This is the first problem from your other thread. You really shouldn't start more threads on the same problem - it causes all kinds of confusion. You have an answer of 0.444A (and you need to track your units throughout your work) but you don't indicate which direction that current is flowing through the load. Yes, in can be inferred by the directions of I1 and I2, but you shouldn't make the customer (or the grader) jump through those hoops. Clearly label the load current, with direction, on the diagram at or near the load itself.

Use the technique shown in the other thread to see if you can verify this answer yourself. Start by finding the voltage on the top node (define the bottom node to be ground) and then find the currents in the other two branches that are consistent with this top node voltage. Do the three currents satisfy KCL?
 
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