Radio Amateur Quiz Canadian License

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Question A-001-003-007

What is the resonant frequency of a series RLC circuit, if R is 47 ohms, L is 8 microhenrys and C is 7 picofarads?

Correct Answer

21.3 MHz

Explanation

Resonant frequency (fr) of a series RLC circuit is fr = 1 / (2π√(LC)). With L=8µH and C=7pF, fr = 1 / (2π√(8e-6 × 7e-12)) ≈ 21.288 MHz.

Warning: Generated by AI