question_answer

                The plot given below is the average power delivered to an LRC circuit versus frequency. The quality factor of the circuit is:                   [JEE Main Online Paper ( Held On 23  April 2013 )

A)                   5.0                                       

B)                                          2.0

C)                                          2.5                                       

D)                                          0.4

Correct Answer: C

Solution :

                  Quality factor of the circuit  \[=\frac{{{\omega }_{0}}}{{{\omega }_{2}}-{{\omega }_{1}}}=\frac{5}{2.5}=2.0\]