0. 17 : In a series resonant L.C.R. circuit, the power factor is (a) (b) 1 . (c) 0.3 (d) 1.5
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- PRACTICE IT Use the worked example above to help you solve this problem. A series RLC AC circuit has resistance R = 2.60 x 10- 0, inductance L = 0.500 H, capacitance C = 3.50 µF, frequency f = 60.0 Hz, and maximum voltage AV, max 2.00 x 102 v. (a) Find the impedance. (b) Find the maximum current in the circuit. A (c) Find the phase angle. (d) Find the maximum voltages across the elements. AV R, max V Δν L, max V AV с, тax V %3D EXERCISE HINTS: GETTING STARTED I'M STUCK! Analyze a series RLC AC circuit for which R = 290 S2, L = 0.300 H, C = 22.5 µF, f = 50.0 Hz, and AV, max = 325 V. (a) Find the impedance. Z = Ω (b) Find the maximum current. Imax A (c) Find the phase angle. (d) Find the maximum voltages across the elements. AV R, max V Δν L, max V AV c, max VhelpObtain the resonant frequency and Q-factor of a series LCR circuit with L = 3H, C = 27µF, R = 7.40. It is desired to improve the sharpness of resonance of circuit by reducing its full width at half maximum by a factor of 2. Suggest a suitable way.