Radio Amateur Quiz Canadian License

EN FR

Question A-001-003-010

What is the resonant frequency of a series RLC circuit, if R is 47 ohms, L is 1 microhenry and C is 9 picofarads?

Correct Answer

53.1 MHz

Explanation

Resonant frequency (fr) of a series RLC circuit is fr = 1 / (2π√(LC)). With L=1µH and C=9pF, fr = 1 / (2π√(1e-6 × 9e-12)) ≈ 53.052 MHz.

Warning: Generated by AI