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For a series RLC circuit find the resonant frequency, quality factor and bandwidth.

For a series RLC circuit having R=10Ω, L=0.01 H and C=100?F, find the resonant frequency, quality factor and bandwidth.

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Answer:

R=10 Ω

L=0.01H

C=100μF

At resonance, XL = Xc

fr=12πL×C

fr=12π0.01100106

fr=159.154 Hz

  The resonant frequency is 159.154Hz  

Q=XLR

Q=2π159.1540.0110[XL=2π×fr×L]

Q=0.9999

The Quality factor is 0.9999~1  

Δf=R2π×L

Δf=102π×0.01

Δf=159.154Hz

The bandwidth is 159.154Hz

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