12:49AC Theory: How to Calculate Impedance and Construct an Impedance TriangleJoe Robinson Training525views
08:47AC current impedance - Alternating Voltage for inductors, capacitorsPhysics Videos by Eugene Khutoryansky306views
Multiple ChoiceAn AC source operates at a maximum voltage of 120 V and an angular frequency of 377 s-1 . If this source is connected in parallel to a 15 Ω resistor and in parallel to a 0.20 mF capacitor, answer the following questions: a) What is the maximum current produced by the source? b) What is the maximum current through the resistor? c) What is the maximum current through the capacitor?315views1rank
Textbook QuestionYou have a 200-Ω resistor, a 0.400-H inductor, and a 6.00-μF capacitor. They are connected to form an L-R-C series circuit. (b) What is the current amplitude?292views
Textbook QuestionYou have a 200-Ω resistor, a 0.400-H inductor, and a 6.00-μF capacitor. They are connected to form an L-R-C series circuit. (a) What is the impedance of the circuit?375views
Textbook QuestionYou have a 200-Ω resistor, a 0.400-H inductor, and a 6.00-μF capacitor. Suppose you take the resistor and inductor and make a series circuit with a voltage source that has voltage amplitude 30.0 V and an angular frequency of 250 rad/s. (a) What is the impedance of the circuit?1048views
Textbook Question(II) An inductance coil operates at 240 V (rms) and 60.0 Hz. It draws 10.8 A (rms). What is the coil’s inductance?29views
Textbook QuestionWhat is the reactance of an 8.4-μF capacitor at a frequency of (a) 60.0 Hz, (b) 1.00 MHz?33views
Textbook Question(II) What is the inductance L of the primary of a transformer whose input is 110 V rms at 60.0 Hz and the rms current drawn is 3.8 A? Assume no current in the secondary.18views
Textbook Question(I) A 10.0-k Ω resistor is in series with a 34.0-mH inductor and an ac source. Calculate the impedance of the circuit if the source frequency is (a) 55.0 Hz; (b) 55.0 kHz.19views
Textbook Question(II) For a 120-V, 60-Hz voltage, a current of 70 mA passing through the body for 1.0 s could be lethal. What must be the impedance of the body for this to occur?20views
Textbook Question(II) The output of an electrocardiogram amplifier has an impedance of 45 Ω. It is to be connected to an 8.0-Ω loudspeaker through a transformer. What should be the turns ratio of the transformer?7views
Textbook Question(II) A 1.50-k Ω resistor in series with a 370-mH inductor is driven by an ac power supply. At what frequency is the impedance double that of the impedance at 60.0 Hz?7views