alleryStart learning →In a series LCR circuit R = 30 Ω, XL = 60 Ω and XC = 20 Ω. What is the impedance?
A10 Ω
B110 Ω
C70 Ω
D50 Ω
Answer & Solution
Correct answer: D. 50 Ω
Z = √(30² + (60 − 20)²) = √(900 + 1600) = 50 Ω.
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