In a network with multiple voltage sources, the current in any branch is the sum of the currents which would flow in that branch due to each voltage source acting alone with all other voltage sources replaced by their internal impedances.
The goal of folowing text is to check superposition theorem.
Step 1. Construct following circuit using Circuit Magic then run Node Voltage Analysis. (popular circuits analysis technique). You can alsocalculate currents using other techniques
These values are used to check currents determined from superposition theorem
Step 2. Remove a voltage source from the third branch then run Node Voltage Analysis.
These values are used to determine current from superposition theorem.
Step 3. Remove a voltage source from the first branch then run Node Voltage Analysis.
Superposition theorem checkingI1=I1(1)+I1(2)=0,2-0,133333=0,0666666
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