Engineering Board Exam Reviewer · Circuit Theorems in AC Analysis · medium
A current source of 12 A 0° feeds two parallel branches, ZA=40, and ZB=60-j30, . Find the current in ZA in polar form.
- 7.71 -9.9° A
- 7.71 9.9° A
- 4.6 16.7° A
- 7.52 0° A
Answer
A. 7.71 -9.9° A
Solution
Current divider: IA=IZB/ZA+ZB=12 A·60-j30, /100-j30, =7.71 -9.9° A.
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