Engineering Board Exam Reviewer · RLC Circuits and Resonance · medium
A series RLC circuit has R=30, , XL=60, , and XC=100, . What are the magnitude and nature of its impedance?
- 50, , inductive
- 50, , capacitive
- 190, , capacitive
- 70, , capacitive
Answer
B. 50, , capacitive
Solution
The net reactance is X=XL-XC=60-100=-40, (capacitive). |Z|=sqrt(302+402)=50, .
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