A 120-MH Inductor Is in Series with a 20-Ω Resistor

question 42

Short Answer

A 120-mH inductor is in series with a 20-Ω resistor and a variable capacitor that can range from 0.110 μF to 0.400 μF.
(a) What is the range of possible resonance frequencies?
(b) If the power supply is a 24-V rms source, what rms current flows at resonance?

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