Multiple choice

Directions: Carry Two Marks Each.

An LC tank circuit consists of an ideal capacitor C that is connected in parallel with a coil of inductance L having an internal resistance R. The resonant frequency of the tank circuit is

  1. $\frac{1}{2 \pi \sqrt{LC}}$
  2. $\frac{1}{2 \pi \sqrt{LC}}\sqrt{1 - R^2 \frac{C}{L}}$
  3. $\frac{1}{2 \pi \sqrt{LC}}\sqrt{1 - \frac{L}{R^2 C}}$
  4. $\frac{1}{2 \pi \sqrt{LC}}\sqrt{1 - R^2 \frac{C}{L}}$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation