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
Concept explainers
Textbook Question
Chapter 1, Problem 1P
How much charge is represented by these number of electrons?
- (a) 6.482 × 1017
- (b) 1.24 × 1018
- (c) 2.46 × 1019
- (d) 1.628 × 1020
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Waveforms v1(t) and v2(t) are given by:v1(t) = −4 sin(6π ×10^4t +30◦) V,v2(t) = 2cos(6π ×10^4t −30◦) V.Does v2(t) lead or lag v1(t), and by what phase angle?
7.1 Express the current waveform
i(t) = -0.2 cos(6 × 10°1 +60°) mA
in standard cosine form and then determine the following:
(a) Its amplitude, frequency, and phase angle.
(b) i(t) at t=0.1 ns.
3. Consider the RC circuit with a constant voltage source shown in the diagram below. The
values of the resistor, capacitor, and input voltage are R = 50, C = 10 µF, and V = 6V,
respectively. Assume that there is initially no charge on the capacitor before the switch is
closed.
Vo
↑i(t)
R
w
C
When the switch closes at time t = 0, the current begins to flow as a function of time according
to the equation
i(t) = ioenc
Chapter 1 Solutions
Fundamentals of Electric Circuits
Ch. 1.3 - Calculate the amount of charge represented by...Ch. 1.3 - Prob. 2PPCh. 1.3 - The current flowing through an element is i= 4A...Ch. 1.5 - To move charge q from point b to point a requires...Ch. 1.5 - Find the power delivered to the element in Example...Ch. 1.5 - A home electric heater draws 10 A when connected...Ch. 1.6 - Figure 1.16 For Practice Prob. 1.7 Compute the...Ch. 1.7 - If an electron beam in a TV picture tube carries...Ch. 1.7 - Referring to the residential rate schedule in...Ch. 1 - One millivolt is one millionth of a volt. (a) True...
Ch. 1 - The prefix micro stands for: (a) 106 (b) 103 (c)...Ch. 1 - The voltage 2.000,000 V can be expressed in powers...Ch. 1 - A charge of 2 C flowing past a given point each...Ch. 1 - The unit of current is: (a) coulomb (b) ampere (c)...Ch. 1 - Voltage is measured in: (a) watts (b) amperes (c)...Ch. 1 - Prob. 7RQCh. 1 - The voltage across a 1.1-kW toaster that produces...Ch. 1 - Which of these is not an electrical quantity? (a)...Ch. 1 - The dependent source in Fig. 1.22 is: (a)...Ch. 1 - How much charge is represented by these number of...Ch. 1 - Determine the current flowing through an element...Ch. 1 - Find the charge q(t) flowing through a device if...Ch. 1 - A total charge of 300 C flows past a given cross...Ch. 1 - Prob. 5PCh. 1 - The charge entering a certain element is shown in...Ch. 1 - The charge flowing in a wire is plotted in Fig....Ch. 1 - Prob. 8PCh. 1 - The current through an element is shown in (a) t =...Ch. 1 - A lightning bolt with 10 kA strikes an object for...Ch. 1 - A rechargeable flashlight battery is capable of...Ch. 1 - The charge entering the positive terminal of an...Ch. 1 - The voltage v(t) across a device and the current...Ch. 1 - The current entering the positive terminal of a...Ch. 1 - Prob. 16PCh. 1 - Figure 1.28 shows a circuit with four elements, p1...Ch. 1 - Find the power absorbed by each of the elements in...Ch. 1 - Find I and the power absorbed by each element in...Ch. 1 - Find Vo and the power absorbed by each element in...Ch. 1 - A 60-W incandescent bulb operates at 120 V. How...Ch. 1 - Prob. 22PCh. 1 - A 1.8-kW electric heater takes 15 min to boil a...Ch. 1 - A utility company charges 8.2 cents/kWh. If a...Ch. 1 - A 1.2-kW toaster takes roughly 4 minutes to heat...Ch. 1 - A cell phone battery is rated at 3.85 V and can...Ch. 1 - A constant current of 3 A for 4 hours is required...Ch. 1 - A 150-W incandescent outdoor lamp is connected to...Ch. 1 - An electric stove with four burners and an oven is...Ch. 1 - Reliant Energy (the electric company in Houston,...Ch. 1 - In a household, a business is run for an average...Ch. 1 - A telephone wire has a current of 20 A flowing...Ch. 1 - A lightning bolt carried a current of 2 kA and...Ch. 1 - Figure 1.32 shows the power consumption of a...Ch. 1 - The graph in Fig. 1.33 represents the power drawn...Ch. 1 - A battery can be rated in ampere-hours (Ah) or...Ch. 1 - A total of 2 MJ are delivered to an automobile...Ch. 1 - How much energy does a 10-hp motor deliver in 30...Ch. 1 - A 600-W TV receiver is turned on for 4 h with...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Q2. a) A three-phase 415 V, 4-pole, 50 Hz, A-connected induction motor was tested. The obtained results are: (i) (ii) No load test 50 Hz: Blocked rotor test, 10 Hz: DC test: Vnl=415 V, Pnl=1200 W, In=11 A Vbr 10 V, Pbr=1500 W, Ibr=91 A VDC 3 V, IDC=107 A Draw the per-phase equivalent electrical circuit of the motor Draw the circuits for no-load and block-rotor tests and indicate the slip for each of the tests. (iii) Identify the motor parameters (iv) Calculate the motor's starting torque at the rated voltage.arrow_forward4. Consider the RC circuit with a sinusoid voltage source shown in the diagram below. The values of the resistor, capacitor, input voltage amplitude and frequency are R-20012, C-5pF", Vo-10V, and w=500 rad/s, respectively. Assume that the circuit has reached steady state. Vрейте 2 The input voltage can be described using the complex sinusoid function V(t)-Vo and the physical voltage is obtained by taking the real part of V(t). The voltage drop across the capacitor is given by a sinusoid with same the frequency was the input voltage, but a different magnitude and different phase. In complex form, the capacitor's voltage is given by Vc(t)=1+jwRC For the following questions, use the template file Assignment TemplateQ2.m as the starting point for your MATLAB code. (a) (6 marks) Use MATLAB to make a graph that shows the real part of the input voltage source ReV(t)] and the real part of the voltage drop across the capacitor Re[Ve(t)] as a function of time. Choose the time scale so that two…arrow_forwardConsider the microgrid given in figure 8-56. The positive sequence impedance of the transmission Lines is given in -line diagram (figure 8.5%). The system data are as follows: the one PV generating Station: 2MW, 460V. AC, positive, negative and zero Sequence impedance of each line is equal to 10%. The generator negativ Sequence impedance is equal to the positive Sequence, and the Zero Sequence impedance is equal to half (½) of positiv Sequence impedance. Transformers positive sequence impedance is equal to the negative sequence and equal to the zero sequence impedance Station DC/AC CB Acpu bus CB www S+js 5 1+jlo M 2 T2 SB CB A Jus -3+16 local utilityarrow_forward
- a) The current drawn by a single-phase converter is represented by the waveform in the figure below. Use Fourier series analysis to determine an expression for obtaining the rms values of the fundamental and the harmonics of the source current. Hence, express the rms value of the fundamental as well as the first three harmonics of the waveform. i(t) Id - Id π 元 b) Fig. Input current waveform of a single phase bridge rectifier A sinusoidal voltage with a peak value of 300 V is applied to the converter in (a) drawing a square-wave current with a peak value of 15 A. Assuming that the zero crossing of the current waveform is 45° behind that of the input voltage waveform, calculate: (i) the average power drawn by the converter, (ii) the form factor (FF) and ripple factor (RF) (iii) the total harmonic distortion (THD%) of the input current.arrow_forwardTransformer 600 V Transformer L₁ L₂ L3 4 (a) 600 V L₁ L₂ L3 L₁ (b) Figure 3.arrow_forward(2 marks) Using Kirchoff's voltage law: V(t) = VR(t) + Vc(t), show that the voltage drop across the resistor is given by the equation VR(t) jwRC 1+jwRC Voearrow_forward
- A ferrite ETD44 core type material is to be used in the converter design. If Bmax = 0.52T, and 350 turns of 1.5x10³cm² copper wire is to be wound around the core material to allow a flow of 5A maximum current, compute for the (a) inductor resistance, and the (b) inductance.arrow_forwardDon't use ai to answer I will report you answerarrow_forwardPlease show the solution and answers each. Thank you.arrow_forward
- A lossless resonant half-wavelength dipole antenna, with input impedance of 73 ohms, is connected to a transmission line whose characteristic impedance is 50 ohms. Assuming that the normalized pattern 000300 30° 90° 1 cos() of the antenna is given approximately by U(0) = 0.866 0 30° <0≤90° Find the maximum absolute gain of this antenna.arrow_forwardPlease show the solution and answers in each. Thank you.arrow_forwardPlease show how to solve this.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Electricity for Refrigeration, Heating, and Air C...Mechanical EngineeringISBN:9781337399128Author:Russell E. SmithPublisher:Cengage Learning
Electricity for Refrigeration, Heating, and Air C...
Mechanical Engineering
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Cengage Learning
Electrical Measuring Instruments - Testing Equipment Electrical - Types of Electrical Meters; Author: Learning Engineering;https://www.youtube.com/watch?v=gkeJzRrwe5k;License: Standard YouTube License, CC-BY
01 - Instantaneous Power in AC Circuit Analysis (Electrical Engineering); Author: Math and Science;https://www.youtube.com/watch?v=If25y4Nhvw4;License: Standard YouTube License, CC-BY