Engineering Board Exam Reviewer · Parallel Circuits · medium
In the parallel circuit shown, V=120 V, R1=12, , R2=4, , and R3=6, . Find the total current supplied by the source.
- 60 A
- 10 A
- 5.45 A
- 40 A
Answer
A. 60 A
Solution
Each branch carries V/R: IT= /R=10 A+30 A+20 A=60 A (equivalently V/Req=120 V/2, ).
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