In a series LCR circuit, the power factor at resonance is
A. zero
B. \(\frac{1}{2}\)
C. \(\frac{1}{\sqrt{2}}\)
D. 1.
Answer:D
In a series LCR circuit, the power factor at resonance is
A. zero B. \(\frac{1}{2}\) C. \(\frac{1}{\sqrt{2}}\) D. 1.