Fundamentals of Electric Circuits
6th Edition
ISBN: 9780078028229
Author: Charles K Alexander, Matthew Sadiku
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Question
Chapter 11.5, Problem 9PP
To determine
Find the power factor
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Solve this problem and show all of the work
Design a fuel-cell – Supercapacitor hybrid locomotive with 640 horsepower and a traveling range of 500 km per fully charged hydrogen tank, and consumption rate of 500 Wh/km. The fuel cell provides the driving range and supercapacitor captures the regenerative breaking energy to run the accessories. Assume fuel cell efficiency at 50%. 1hoursepower = 750 W
Calculate the size (volume in liter) of a pressurized hydrogen storage tank at 700 bar pressure to deliver the traveling range for the vehicle. Fuel cell voltage at the cell level is 1V.
Calculate the volume of solid-state hydrogen storage tank for the vehicle if the solid NaAlH4 is used as a hydrogen storage material. The density of NaAlH4 is 2.8 g/cm3.
Atomic weights: Na=23g, Al=27g, and H=1g
Calculate the total amount of platinum catalyst loading inside the fuel cell stack, and cost of catalyst if Pt cost as $30/g. Assume catalyst loading on the anodes at 0.02mg/cm2 and 0.04mg/cm2 on the…
4. Design an operational amplifier circuit to implement the following mathematical equation.
0.25
dv
dtt
dvo
+ ·+ V₁ = Vi
dt
Chapter 11 Solutions
Fundamentals of Electric Circuits
Ch. 11.2 - Calculate the instantaneous power and average...Ch. 11.2 - A current A flows through an impedance Find the...Ch. 11.2 - In the circuit of Fig. 11.4, calculate the average...Ch. 11.2 - Calculate the average power absorbed by each of...Ch. 11.3 - For the circuit shown in Fig. 11.10, find the load...Ch. 11.3 - In Fig. 11.12, the resistor RL is adjusted until...Ch. 11.4 - Find the rms value of the current waveform of Fig....Ch. 11.4 - Find the rms value of the full-wave rectified sine...Ch. 11.5 - Prob. 9PPCh. 11.5 - Prob. 10PP
Ch. 11.6 - For a load, Determine: (a) the complex and...Ch. 11.6 - A sinusoidal source supplies 100 kVAR reactive...Ch. 11.7 - In the circuit in Fig. 11.25, the 60- resistor...Ch. 11.7 - Two loads connected in parallel are respectively 3...Ch. 11.8 - Find the value of parallel capacitance needed to...Ch. 11.9 - For the circuit in Fig. 11.33, find the wattmeter...Ch. 11.9 - The monthly reading of a paper mills meter is as...Ch. 11.9 - An 500-kW induction furnace at 0.88 power factor...Ch. 11 - The average power absorbed by an inductor is zero,...Ch. 11 - The Thevenin impedance of a network seen from the...Ch. 11 - The amplitude of the voltage available in the...Ch. 11 - If the load impedance is 20 j20, the power factor...Ch. 11 - A quantity that contains all the power information...Ch. 11 - Reactive power is measured in: (a) watts (b) VA...Ch. 11 - In the power triangle shown in Fig. 11.34(a), the...Ch. 11 - For the power triangle in Fig. 11.34(b), the...Ch. 11 - A source is connected to three loads Z1, Z2, and...Ch. 11 - The instrument for measuring average power is the:...Ch. 11 - If v(t) = 160 cos 50t V and i(t) = 33 sin (50t ...Ch. 11 - Given the circuit in Fig. 11.35, find the average...Ch. 11 - A load consists of a 60- resistor in parallel with...Ch. 11 - Using Fig. 11.36, design a problem to help other...Ch. 11 - ssuming that vs = 8 cos(2t 40) V in the circuit...Ch. 11 - For the circuit in Fig. 11.38, is = 6 cos 103t A....Ch. 11 - Given the circuit of Fig. 11.39, find the average...Ch. 11 - In the circuit of Fig. 11.40, determine the...Ch. 11 - For the op amp circuit in Fig. 11.41, Find the...Ch. 11 - In the op amp circuit in Fig. 11.42, find the...Ch. 11 - For the network in Fig. 11.43, assume that the...Ch. 11 - For the circuit shown in Fig. 11.44, determine the...Ch. 11 - The Thevenin impedance of a source is ZTh = 120 +...Ch. 11 - Using Fig. 11.45, design a problem to help other...Ch. 11 - In the circuit of Fig. 11.46, find the value of ZL...Ch. 11 - For the circuit in Fig. 11.47, find the value of...Ch. 11 - Calculate the value of ZL in the circuit of Fig....Ch. 11 - Find the value of ZL in the circuit of Fig. 11.49...Ch. 11 - The variable resistor R in the circuit of Fig....Ch. 11 - The load resistance RL in Fig. 11.51 is adjusted...Ch. 11 - Assuming that the load impedance is to be purely...Ch. 11 - Find the rms value of the offset sine wave shown...Ch. 11 - Using Fig. 11.54, design a problem to help other...Ch. 11 - Determine the rms value of the waveform in Fig....Ch. 11 - Find the rms value of the signal shown in Fig....Ch. 11 - Find the effective value of the voltage waveform...Ch. 11 - Calculate the rms value of the current waveform of...Ch. 11 - Find the rms value of the voltage waveform of Fig,...Ch. 11 - Calculate the effective value of the current...Ch. 11 - Compute the rms value of the waveform depicted in...Ch. 11 - Find the rms value of the signal shown in Fig....Ch. 11 - Obtain the rms value of the current waveform shown...Ch. 11 - Determine the rms value for the waveform in Fig....Ch. 11 - Find the effective value f(t) defined in Fig....Ch. 11 - One cycle of a periodic voltage waveform is...Ch. 11 - Calculate the rms value for each of the following...Ch. 11 - Design a problem to help other students better...Ch. 11 - For the power system in Fig. 11.67, find: (a) the...Ch. 11 - An ac motor with impedance ZL = 2 + j 1.2 is...Ch. 11 - Design a problem to help other students better...Ch. 11 - Obtain the power factor for each of the circuits...Ch. 11 - A 110-V rms, 60-Hz source is applied to a load...Ch. 11 - Design a problem to help other students understand...Ch. 11 - Find the complex power delivered by vs to the...Ch. 11 - The voltage across a load and the current through...Ch. 11 - For the following voltage and current phasors,...Ch. 11 - For each of the following cases, find the complex...Ch. 11 - Determine the complex power for the following...Ch. 11 - Find the complex power for the following cases:...Ch. 11 - Obtain the overall impedance for the following...Ch. 11 - For the entire circuit in Fig. 11.70, calculate:...Ch. 11 - In the circuit of Fig. 11.71, device A receives 2...Ch. 11 - In the circuit of the Fig. 11.72, load A receives...Ch. 11 - For the network in Fig. 11.73, find the complex...Ch. 11 - Using Fig. 11.74, design a problem to help other...Ch. 11 - Obtain the complex power delivered by the source...Ch. 11 - For the circuit in Fig. 11.76, find the average,...Ch. 11 - Obtain the complex power delivered to the 10-k...Ch. 11 - Calculate the reactive power in the inductor and...Ch. 11 - For the circuit in Fig. 11.79, find Vo and the...Ch. 11 - Given the circuit in Fig. 11.80, find Io and the...Ch. 11 - For the circuit in Fig. 11.81, find Vs.Ch. 11 - Find Io in the circuit of Fig. 11.82. Figure 11.82Ch. 11 - Determine Is in the circuit of Fig. 11.83, if the...Ch. 11 - In the op amp circuit of Fig. 11.84, vs = 4 cos...Ch. 11 - Obtain the average power absorbed by the 10-...Ch. 11 - For the op amp circuit in Fig. 11.86, calculate:...Ch. 11 - Compute the complex power supplied by the current...Ch. 11 - Refer to the circuit shown in Fig. 11.88. (a) What...Ch. 11 - Design a problem to help other students better...Ch. 11 - Three loads are connected in parallel to a rms...Ch. 11 - Two loads connected in parallel draw a total of...Ch. 11 - A 240-V rms 60-Hz supply serves a load that is 10...Ch. 11 - A 120-V rms 60-Hz source supplies two loads...Ch. 11 - Consider the power system shown in Fig. 11.90....Ch. 11 - Obtain the wattmeter reading of the circuit in...Ch. 11 - What is the reading of the wattmeter in the...Ch. 11 - Find the wattmeter reading of the circuit shown in...Ch. 11 - Determine the wattmeter reading of the circuit in...Ch. 11 - The circuit of Fig. 11.95 portrays a wattmeter...Ch. 11 - Design a problem to help other students better...Ch. 11 - A 240-V rms 60-Hz source supplies a parallel...Ch. 11 - Oscilloscope measurements indicate that the peak...Ch. 11 - A consumer has an annual consumption of 1200 MWh...Ch. 11 - A regular household system of a single-phase...Ch. 11 - A transmitter delivers maximum power to an antenna...Ch. 11 - In a TV transmitter, a series circuit has an...Ch. 11 - A certain electronic circuit is connected to a...Ch. 11 - An industrial heater has a nameplate that reads:...Ch. 11 - A 2000-kW turbine-generator of 0.85 power factor...Ch. 11 - The nameplate of an electric motor has the...Ch. 11 - As shown in Fig. 11.97, a 550-V feeder line...Ch. 11 - A factory has the following four major loads: A...Ch. 11 - A 1-MVA substation operates at full load at 0.7...Ch. 11 - Prob. 95CPCh. 11 - A power amplifier has an output impedance of 40 +...Ch. 11 - A power transmission system is modeled as shown in...
Knowledge Booster
Similar questions
- solve and show workarrow_forwardProblem 4 Consider a unity (negative) feedback system whose open-loop transfer function is given by K(s+1)(s+2) G(s): s(s +10) Assume K = 1. (a) What is the type of the system? (b) Find static position error constant Kp, static velocity error constant Ky and static acceleration error constant Ka (c) Find the steady state-error of the system for following each of the following inputs. (i) (!!) t³ 1(t) (t+2) 1(t) (d) Find the range of K, for which steady-state error of the system for ramp input will be less than 0.05?arrow_forwardAn inner-city metro-bus weighs approximately 10,000 kg including passenger loads, travels 500 km per fully charged battery, and consumes 420 Wh/km. Design a lithium-ion battery pack for the metro-bus using newly developed cells made of silicon anode and lithium manganese-iron phosphate (LMFP) with formulation of Si // 4(LiMn5Fe0.5PO4). The cell average voltage is 3.5V and its capacity 4Ah. The nominal battery pack voltage is 350V. Report the battery pack configuration: Calculate the amount of silicon and LMFP cathode that is required for a single cell at 4Ah capacity. Atomic weight of elements in gram: Si=28 , Li=7, Mn=55, Fe=56, P=31, and O=16. If the building block cell is designed in a cylindrical format (2cm diameter and 10 cm height), calculate the energy density (Wh/lit) and specific energy (Wh/kg) at the cell level and at the battery pack level. Assume cell weight 100g, and cells are arranged in two layers in the battery pack with top…arrow_forward
- Problem 2 Consider the following feedback control system. (i) (ii) K(s+2) s(s + 1)(s+3) 5+6 5+7 Use Routh-Hurwitz criterion to find the range of K for which the closed-loop system is stable. Using the Routh table from part (a), find the range of K for which the closed-loop system will have one pole in the ORHP and rest of the poles in the OLHP. This implies there will be only one sign changes in the 1st column.arrow_forwardProblem 3 Consider the following system where x(t) denotes displacement of the mass from its equilibrium position and u(t) denotes the force applied to the mass. 28 N/m -0000-5 kg. u(t) -x(t) 5 N-s/m (a) Find the transfer function of the system. (b) Is the system internally stable (marginally or strictly) and BIBO stable? (c) Find the settling time, rise time, peak time and percent overshoot for the step-response of the system.arrow_forwardSolve this problem and show all of the workarrow_forward
- Solve this problem and show all of the workarrow_forward12.31 The voltage source in the circuit of Fig. P12.31 is, given by vs(t)= [105u(t)] V. Determine i̟L (t) for t≥0, given that R₁ =1, R2 = 12, L = 2 H, and C = 1 F. vs(t) R₁ R₂ iL L Figure P12.31 Circuit for Problems 12.31 and 12.35.arrow_forward1. Explain how the battery management systems (BMS), maintain the cell balancing in the battery pack, and draw the schematic (circuit) of one of the cell balancing method . 2. Describe the basic operation of Proton Exchange Membrane Fuel Cell (PEMFC), (PEMFC)including reactions at the anode and cathode and role of Membrane Electrode Assembly (MEA) of the PEM-Fuel Cell.arrow_forward
- Please show a diagram of the implementation with NAND gates (iii) and the decoder (vii) THANK YOU!!!arrow_forwardSolve this problem and show all of the workarrow_forward12.22 Repeat Problem 12.21, Determine iL(t) in the circuit of Fig. P12.21 for t ≥ 0, but assume that the switch hadbeen open for a long time and then closed at t = 0. Set the dcsource at 12 mV and the element values at R0 = 5 Ω, R1 = 10 Ω,R2 = 20 Ω, L = 2 H, and C = 0.4 F.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Power System Analysis and Design (MindTap Course ...Electrical EngineeringISBN:9781305632134Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. SarmaPublisher:Cengage Learning
Power System Analysis and Design (MindTap Course ...
Electrical Engineering
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:Cengage Learning