How do I calculate the resistence of R2 current, which is parallel to R1 (resistence 4 ohm, current 2,25 A). Additional to that I have a resistence R3 which is a series circuit (5 ohm) next to the R1 and R2. They are all on a 24 V battery.
Current through resistance R3:
Voltage on R1:
Since R1 and R2 are parallel, then:
Total voltage:
Then:
ohm
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