Engineering Board Exam Reviewer · Circuit Theorems in AC Analysis · medium
Find the equivalent impedance of (30+j40), in parallel with 60, , in polar form.
- 30.5 -29.2°,
- 30.5 29.2°,
- 98.5 24°,
- 27.3 0°,
Answer
B. 30.5 29.2°,
Solution
Z=ZaZb/Za+Zb=(30+j40, )(60)/90+j40, = 3 53.1° k 98.5 24°, =30.5 29.2°, .
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