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  4. In L C R circuit current resonant frequency is 600 Hz and half power points are at 650 and 550 Hz. The quality factor is

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Q. In $L C R$ circuit current resonant frequency is $600\, Hz$ and half power points are at $650$ and $550 \,Hz$. The quality factor is

Alternating Current

Solution:

Quality factor
$=\frac{f_{0}}{f_{2}-f_{1}}=\frac{600}{650-550}$
$=\frac{600}{100}=6$