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The plot given below is of the average power delivered to an LRC circuit versus frequency. the quality factor of the circuit is:

Option: 1

2


Option: 2

5


Option: 3

2.5


Option: 4

0.4


Answers (1)

best_answer

 

 

  

 

 

From the graph, 

Resonating frequency, [ \omega _0?=5KHz? (at which peak occurs)]

and

Bandwidth,  (2 \Delta w)=2.5 K H_{z}  (frequency difference when power in half of peak)

So quality factor,

Q=\frac{w_{0}}{2 \Delta w}=\frac{5}{2.5}=2

Posted by

Rishi

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