Multiple choice

What is the frequency of radio waves radiated out by an oscillating circuit consisting of condenser of capacity 0.02 microfarad and inductance 8 microhenry?

  1. 3.98 x 105 Hz

  2. 4.56 x 105 Hz

  3. 6.21 x 104 Hz

  4. 7.12 x 104 Hz

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

C = 0.02 x 10-6 F L = 8 x 10-6 H $\nu = \dfrac{1}{2\pi \sqrt{LC}}$  After putting the values, we get the frequency = 3.98 x 105 Hz