Question

Time constant of LC circuit is

• A. $\frac{1}{2\pi LC}$
• B. $\frac{1}{2\pi L^2{C}^2}$
• C. $\frac{LC}{2\pi }$
• D. $2\pi \sqrt{LC}$

Answer 1

Answer: (D)

For a LC circuit resonant frequency $=\frac{1}{2\pi \sqrt{LC}}.$ Therefore, time constant is $2\pi \sqrt{LC}.$