Which one of the following graphs shows how the inductive reactance varies with frequency? XL XL X₂ (a) f (Hz) f (Hz) f (Hz) ED LL X₁ (d) f (Hz) f (Hz)
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- Consider an LC circuit in which L = 480 mH and C = 0.108 µF. (a) What is the resonance frequency w,? krad/s (b) If a resistance of 1.12 kn is introduced into this circuit, what is the frequency of the damped oscillations? krad/s (c) By what percentage does the frequency of the damped oscillations differ from the resonance frequency? %An RLC circuit has resistance R = 1800 and inductive reactance X = 331 0. HINT (a) Calculate the circuit's capacitive reactance X (in (2) if its power factor is cos(p) = 0.707. Ω (b) Calculate the circuit's capacitive reactance X (in ) if its power factor is cos(p) = 1.00. Ω (c) Calculate the circuit's capacitive reactance X (in (2) if its power factor is cos(4) Ω = 1.00 x 10-²Consider an LC circuit in which L = 520 mH and C = 0.130 µF. (a) What is the resonance frequency wo? krad/s (b) If a resistance of 1.30 k is introduced into this circuit, what is the frequency of the damped oscillations? krad/s (c) By what percentage does the frequency of the damped oscillations differ from the resonance frequency? %