Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Textbook Question
Chapter 12, Problem 13ST
If a load is purely inductive and the reactive powerr is 10 VAR, the apparent power is
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Chapter 12 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 12 - In an ac circuit where R=XL, the phase angle is...Ch. 12 - Prob. 2TFQCh. 12 - In an ac series RL circuit, the current and...Ch. 12 - In an ac parallel RL circuit, the inductive...Ch. 12 - In an ac parallel RL circuit, the voltage across...Ch. 12 - The unit siemens is used to measure both...Ch. 12 - Prob. 7TFQCh. 12 - If the power factor of a circuit is 0.5, the...Ch. 12 - Prob. 9TFQCh. 12 - Prob. 10TFQ
Ch. 12 - In a series RL circuit, the resistor voltage Leads...Ch. 12 - Prob. 2STCh. 12 - Prob. 3STCh. 12 - If the frequency is doubled and the resistance is...Ch. 12 - Prob. 5STCh. 12 - Prob. 6STCh. 12 - Prob. 7STCh. 12 - Prob. 8STCh. 12 - Prob. 9STCh. 12 - Prob. 10STCh. 12 - Prob. 11STCh. 12 - Prob. 12STCh. 12 - If a load is purely inductive and the reactive...Ch. 12 - Prob. 14STCh. 12 - Prob. 15STCh. 12 - Determine the cause for each set of symptoms....Ch. 12 - Determine the cause for each set of symptoms....Ch. 12 - Prob. 3TSCCh. 12 - Prob. 4TSCCh. 12 - Prob. 5TSCCh. 12 - Prob. 1PCh. 12 - Prob. 2PCh. 12 - Find the impedance of each circuit in Figure...Ch. 12 - Determine the impedance and phase angle in each...Ch. 12 - In Figure 12-52, determine the impedance at each...Ch. 12 - Determine the values of R and XL in a series RL...Ch. 12 - If the frequency of the source is increased to 1...Ch. 12 - Determine the voltage across the total resistance...Ch. 12 - Find the current for each circuit of Figure 12-50.Ch. 12 - Calculate the total current in each circuit of...Ch. 12 - Determine for the cicutit in Figure 12-53.Ch. 12 - If the inductance in Figure 12-53 is doubled, does...Ch. 12 - Draw the waveforms for Vs,VRandVL in Figure 12-53....Ch. 12 - For the circuit in Figure 12-54, find VRandVL for...Ch. 12 - For the lag circuit in Figure 12-55, determine the...Ch. 12 - Repeat Problem 15 for the lead circuit in Figure...Ch. 12 - What is the impedance for the circuit in Figure...Ch. 12 - Repeat Problem 17 for the following frequencies:...Ch. 12 - At what frequecy does XL equal R in Figure 12-57?Ch. 12 - Find the total current and each branch current in...Ch. 12 - Determine the following quantities in Figure...Ch. 12 - Convert the circuit in Figure 12-60 to an...Ch. 12 - Determine the voltage across each element in...Ch. 12 - Is the circuit in Figure 12-61 predominantly...Ch. 12 - Find the current in each branch and the total...Ch. 12 - In a certain RL circuit, the true power is 100 mW,...Ch. 12 - Determine the true power and the reactive power in...Ch. 12 - What is the power factor in Figure 12-58?Ch. 12 - Determine Ptrue,Pr,Pa, and PF for the circuit in...Ch. 12 - Plot the response curve for the circuit in Figure...Ch. 12 - Using the same procedure as in Problem 30, plot...Ch. 12 - Draw the voltage phasor diagram for each circuit...Ch. 12 - Prob. 33PCh. 12 - Prob. 34PCh. 12 - Determine the voltage across the inductors in...Ch. 12 - Is the circuit in Figure 12-64 predominantly...Ch. 12 - Find the total current in Figure 12-64.Ch. 12 - Determine the phase shift and attenuation...Ch. 12 - Design an ideal inductive switching circuit that...Ch. 12 - Prob. 44PCh. 12 - Prob. 45PCh. 12 - Prob. 46PCh. 12 - Prob. 47PCh. 12 - Open file P12-48. Determine if there is a fault...Ch. 12 - Prob. 49P
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- An R-L series circuit contains two resistors and two inductors. The resistors dissipate powers of 96 watts and 125 watts. The inductors have reactive powers of 100 VARs and 78 VARs. What is the power factor?arrow_forwardThe circuit is connected to a 400-Hz line with an applied voltage of 35.678 V. The resistor has a true power of 14.4 W. and there are 12.96 inductive VARs and 28.8 capacitive VARs. ET35.678VITZVAPFERIRRP14.4WELILXLVARsL12.96LECICXCVARsC28.8Carrow_forwardThe circuit in Figure 24-2 is connected to a 60-Hz line. The apparent power in the circuit is 48.106 VA. The resistor has a resistance of 12 . The inductor has an inductive reactance of 60 , and the capacitor has a capacitive reactance of 45 . ETITZVA48.106PFERIRR12PELILXL60VARsLLECICXC45VARsCCarrow_forward
- 5. The hypotenuse has a length of 65 in., and side A has a length of 31 in. What is angle X?arrow_forwardThe circuit in Figure 24-2 is connected to a 1000-Hz line. The resistor has a current flow of 60 A, the inductor has a current flow of 150 A, and the capacitor has a current flow of 70 A. The circuit has a total impedance of 4.8 . ETITZ4.8VAPFERIR60ARPELIL150AXLVARsLLECIC150AXCVARsCCarrow_forwardFor the certain load, the true power is 8W and the reactive power is 12 VAR. Determine the apparent power in VA choices: 10.0, 14.42, 96.0, 20.0arrow_forward
- A 0.185 HI inductor is connected in series with a 86 22 resistor and an ac source. The voltage across the inductor is UI = - (13.0V) sin| (480rad/s)t]. Please answer both parts A and B with appropriate units.arrow_forwardWhat is the capacitor that must be added to this circuit to get a power factor of .90 The answer key: 21.879microF Can you please break down the answer in steps. Thank youarrow_forwardAn AC series ciruit has an apparent power of 650 VA, and a true power of 475 watts. what is the reactive power in the circuit?arrow_forward
- A resistor of 20Ω, an inductor of 0.012H, and a capacitor of 90 μF are connected in series with a 100-V generator, with a frequency, 130 Hz. Calculate the phasor relationship between the current and the voltage in the circuit.arrow_forwardAn R-L series circuit has a power factor of 73%. If the apparent power is 560 kVA, what is the section 6 true power in the circuit?arrow_forwardA 20 ohm resistor and 50µF capacitor are connected in series with an A.C source having amplitude of 10 V and frequency 125 Hz. Calculate:arrow_forward
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