Radio Amateur Quiz Canadian License

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Question A-001-004-008

What is the resonant frequency of a parallel RLC circuit if R is 4.7 kilohms, L is 10 microhenrys and C is 50 picofarads?

Correct Answer

7.12 MHz

Explanation

Resonant frequency (fr) of a parallel RLC circuit (assuming high Q) is fr = 1 / (2π√(LC)). With L=10µH and C=50pF, fr = 1 / (2π√(10e-6 × 50e-12)) ≈ 7.118 MHz.

Warning: Generated by AI