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

Multiple Choice

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) $\mathrm { QL } = 2 \pi \mathrm { fL } / \mathrm { RW }$