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Mention the significance of quality factor in LCR circuit.

Last updated date: 05th Mar 2024
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IVSAT 2024
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Hint: Let us first understand about AC circuits. An AC Circuit is a circuit that is powered by an alternating current source. For domestic and industrial purposes, alternating current (AC) is used. The magnitude and direction of current and voltages in an AC circuit are not constant; they vary at a normal interval of time.

Complete answer:
There are many types of AC circuits, including AC circuits with only resistance (R), AC circuits with only capacitance (C), AC circuits with only inductance (L), RL Circuits, AC circuits with resistance and capacitance (RC), AC circuits with inductance and capacitance (LC), and resistance inductance and capacitance (RLC).
The quality factor, also known as the Q factor, is a measurement of a coil's output in terms of losses and resonator bandwidth. The variables can be linked using simple formulas. In a resonator circuit, the quality factor, or 'Q,' of an inductor or tuned circuit is often used to indicate its output.
The sharpness of resonance obtained in the LCR circuit is determined by the Q factor, or consistency factor.
If the Q value is higher, the resonance will be very sharp; if it is lower, the resonance will be weak, resulting in a weaker circuit.

Note: The oscillation of a device at its normal or unforced resonance is known as resonant frequency. When a device can store and easily transfer energy between various storage modes, such as Kinetic and Potential energy, as in a simple pendulum, it is said to be in resonance.
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