Radio Amateur Quiz Canadian License

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Question A-001-003-008

What is the resonant frequency of a series RLC circuit, if R is 47 ohms, L is 3 microhenrys and C is 15 picofarads?

Correct Answer

23.7 MHz

Explanation

Resonant frequency (fr) of a series RLC circuit is fr = 1 / (2π√(LC)). With L=3µH and C=15pF, fr = 1 / (2π√(3e-6 × 15e-12)) ≈ 23.705 MHz.

Warning: Generated by AI