Radio Amateur Quiz Canadian License

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Question A-001-003-004

What is the resonant frequency of a series RLC circuit, if R is 47 ohms, L is 25 microhenrys and C is 10 picofarads?

Correct Answer

10.1 MHz

Explanation

Resonant frequency (fr) of a series RLC circuit is fr = 1 / (2π√(LC)). With L=25µH and C=10pF, fr = 1 / (2π√(25e-6 × 10e-12)) ≈ 10.066 MHz.

Warning: Generated by AI