10:56Electrical Engineering: Ch 12 AC Power (36 of 58) How to Calculate the Power Factor?Michel van Biezen292views
07:15Electrical Engineering: Ch 12 AC Power (10 of 38)What is Average Power Supplied and Absorbed?(-26.5)Michel van Biezen290views
03:14Electrical Engineering: Ch 12 AC Power (16 of 38) How to Find Maximum Power Transferred?Michel van Biezen242views
13:54AC Theory: How to Calculate Power Factor in an AC Circuit: What is Power Factor?Joe Robinson Training702views
04:57Electrical Engineering: Ch 12 AC Power (2 of 38) Instantaneous Power: A Closer LookMichel van Biezen238views
20:27Power Factor - Basic Introduction - Reactive and Apparent Power.The Organic Chemistry Tutor474views
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?304views
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.168views
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.363views
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?152views
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?215views
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?162views
Textbook QuestionA generator consists of a 12-cm by 16-cm rectangular loop with 500 turns of wire spinning at 60 Hz in a 25 mT uniform magnetic field. The generator output is connected to a series RC circuit consisting of a 120 Ω resistor and a 35 μF capacitor. What is the average power delivered to the circuit?54views
Textbook Question(II) An 1800-W arc welder is connected to a 660 -Vᵣₘₛ ac line. Calculate (a) the peak voltage and15views
Textbook Question(II) An 1800-W arc welder is connected to a 660 -Vᵣₘₛ ac line. Calculate (b) the peak current.17views