Question:
In an L-C-R series circuit, the values of R, $XL$ and $XC$ are 120 Ω, 180 Ω and 130 Ω. What is the impedance of the circuit?
In an L-C-R series circuit, the values of R, $XL$ and $XC$ are 120 Ω, 180 Ω and 130 Ω. What is the impedance of the circuit?
Show Hint
$Z = \sqrtR² + (XL - XC)²}$.
Updated On: Apr 16, 2026
- 120 Ω
- 130 Ω
- 180 Ω
- 330 Ω
Show Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: $Z = \sqrtR² + (XL - XC)² = \sqrt120² + (180-130)² = \sqrt14400 + 2500 = \sqrt16900 = 130$ Ω.
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