The quality factor of a coil or inductor is calculated by:
A) $\mathrm { QL } = 2 \pi \mathrm { fL }$
B) $\mathrm { QL } = \frac { 1 } { 2 \pi \mathrm { fL } }$
C) $\mathrm { QL } = \frac { \mathrm { L } } { \mathrm { R } }$
D) $\mathrm { QL } = 2 \pi \mathrm { fL } / \mathrm { RW }$

Question

Quizplus · Accepted Answer

The quality factor (Q) of a coil or inductor is calculated by the formula $QL = 2 \pi fL / R$, where $f$ is the frequency, $L$ is the inductance, and $R$ is the resistance. This formula represents the ratio of reactive power to resistive power, indicating how efficiently the coil stores energy.

The Quality Factor of a Coil or Inductor Is Calculated QL=2πfL\mathrm { QL } = 2 \pi \mathrm { fL }QL=2πfL

The Quality Factor of a Coil or Inductor Is Calculated $\mathrm { QL } = 2 \pi \mathrm { fL }$