Medium
If $R$,$X_L$,and $X_C$ represent resistance,inductive reactance,and capacitive reactance respectively,then which of the following is dimensionless?
- A$R X_L X_C$
- B$\frac{R}{\sqrt{X_L X_C}}$
- C$\frac{R}{X_L X_C}$
- D$R \frac{X_L}{X_C}$
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