The Q factor of a parallel resonant circuit is given by

• A. \(\frac{1}{R}\sqrt {\frac{L}{C}} \)
• B. \({R}\sqrt {\frac{C}{L}} \)
• C. \(\frac{1}{R}\sqrt {\frac{1}{{LC}}} \)
• D. \(\frac{R}{{\sqrt {LC} }}\)