Obtain the resonant frequency `(omega_(r))` of a series LCR circuit withL = 2.0 H, C = 32 `muF` and R = 10 ohm. What is the Q value of this circuit ?

Question

Obtain the resonant frequency `(omega_(r))` of a series LCR circuit withL = 2.0 H, C = 32 `muF` and R = 10 ohm. What is the Q value of this circuit ?

Obtain the resonant frequency `(omega_(r))` of a series LCR circuit withL = 2.0 H, C = 32 `muF` and R = 10 ohm. What is the Q value of this circuit ?
A. 15
B. 20
C. 25
D. 30

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
Here, `L=2 H, C=32 mu F=32xx10^(-6)F,R =10 Omega`
`therefore` Resonance frequency,
`omega_(r )=(1)/(sqrt(LC))=(1)/(sqrt(2xx32xx10^(-6)))=(10^(3))/(8)" rad " s^(-1)`
Quality factor `=(omega_(r )L)/(R )=(10^(3)xx2)/(8xx10)=25`

4 views Answered 2023-02-05 15:29