The impedance of an L-R-C parallel circuit was derived in
Chapter 31, Problem 31.55(choose chapter or problem)
The impedance of an L-R-C parallel circuit was derived in Problem 31.54. (a) Show that at the resonance angular frequency \(\omega_0 = 1/\sqrt{LC}\), the impedance Z is a maximum and therefore the current through the ac source is a minimum. (b) A \(100-\Omega\) resistor, a \(0.100-\mu F\) capacitor, and a 0.300-H inductor are connected in parallel to a voltage source with amplitude 240 V. What is the resonance angular frequency? For this circuit, what is (c) the maximum current through the source at the resonance frequency; (d) the maximum current in the resistor at resonance; (e) the maximum current in the inductor at resonance; (f) the maximum current in the branch containing the capacitor at resonance?
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