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Define the Quality Factor in an A.C. Circuit. Why Should the Quality Factor Have High Value in Receiving Circuits? Name the Factors on Which It Depends. - Physics

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Define the quality factor in an a.c. circuit. Why should the quality factor have high value in receiving circuits? Name the factors on which it depends.

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Solution

The ratio`(omega_0L)/R`is called the quality factor or Q-factor.

`Q = (omega_0L)/R`

The quality factor has high value in receiving circuits in order to get a sharp gain for the desired channel frequency.

The quality factor depends on the values of the following:

  1. Inductance

  2. Resistance

  3. Capacitance

Concept: Power in Ac Circuit: the Power Factor
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