10:56Electrical Engineering: Ch 12 AC Power (36 of 58) How to Calculate the Power Factor?Michel van Biezen239views
07:15Electrical Engineering: Ch 12 AC Power (10 of 38)What is Average Power Supplied and Absorbed?(-26.5)Michel van Biezen236views
03:14Electrical Engineering: Ch 12 AC Power (16 of 38) How to Find Maximum Power Transferred?Michel van Biezen192views
13:54AC Theory: How to Calculate Power Factor in an AC Circuit: What is Power Factor?Joe Robinson Training615views
04:57Electrical Engineering: Ch 12 AC Power (2 of 38) Instantaneous Power: A Closer LookMichel van Biezen175views
20:27Power Factor - Basic Introduction - Reactive and Apparent Power.The Organic Chemistry Tutor365views
Textbook QuestionA resistor with R = 300 Ω and an inductor are connected in series across an ac source that has voltage amplitude 500 V. The rate at which electrical energy is dissipated in the resistor is 286 W. What is (a) the impedance Z of the circuit; (b) the amplitude of the voltage across the inductor; (c) the power factor?200viewsHas a video solution.
Textbook QuestionThe power of a certain CD player operating at 120 V rms is 20.0 W. Assuming that the CD player behaves like a pure resistor, find (a) the maximum instantaneous power.112viewsHas a video solution.
Textbook QuestionIn an L-R-C series circuit, the components have the following values: L = 20.0 mH, C = 140 nF, and R = 350 Ω.The generator has an rms voltage of 120 V and a frequency of 1.25 kHz. Determine (a) the power supplied by the generator and (b) the power dissipated in the resistor.252viewsHas a video solution.
Textbook QuestionAn L-R-C series circuit with L = 0.120 H, R = 240 Ω, and C = 7.30 μF carries an rms current of 0.450 A with a frequency of 400 Hz. (a) What are the phase angle and power factor for this circuit?94viewsHas a video solution.
Textbook QuestionAn L-R-C series circuit is connected to a 120-Hz ac source that has V_rms = 80.0 V. The circuit has a resistance of 75.0 Ω and an impedance at this frequency of 105 Ω. What average power is delivered to the circuit by the source?105viewsHas a video solution.
Textbook QuestionA series ac circuit contains a 250-Ω resistor, a 15-mH inductor, a 3.5-μF capacitor, and an ac power source of voltage amplitude 45 V operating at an angular frequency of 360 rad/s.(a) What is the power factor of this circuit?104viewsHas a video solution.