Fundamentals of Electric Circuits
6th Edition
ISBN: 9780078028229
Author: Charles K Alexander, Matthew Sadiku
Publisher: McGraw-Hill Education
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Chapter 1, Problem 8P
To determine
Find the total charge flows through a point in a device.
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If you place a 0.000400-C charge halfway between the terminals of a common 9.00-V battery, 5.00 mm apart, what force will that charge experience?
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The charge cycle shown in Figure is an exampleof a two-rate charge. The current is held constant at50 mA for 5 h. Then it is switched to 20 mA for thenext 5 h. Find: a. The total charge transferred to the battery.b. The energy transferred to the battery.
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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...
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- The terminals of a certain battery are labeled a and b. The battery voltage is v ab = 12 V. To increase the chemical energy stored in the battery by 600 J, how much charge must move through the battery? Should electrons move from a to b or from b to a?arrow_forwardQ1: Fill in the blanks: 1- The total charge entering a terminal between t = Is and t = 2s if the current passing the terminal i = (10-10e-2)A is------ and the current at t=0.5s is-------. 2- The energy in KJ of electric device in one hour is-- If the current entering its positive terminal is i= t'-3t A and voltage v=di/dt. 3- By using Kirchhoff's laws find all currents of branches in figure below R1 2A. 102 ЗА SR4 SR3 100 100 R2 6A 100arrow_forwardA charge of 50 coulombs is moved from point A to point B by expending 350 joules of energy. What is the resulting voltage VBA? Round your answer to two significant figures. VBA Number Varrow_forward
- The voltage v = 10cos2t V across a device and the current through it is 20(1 − e-0.5t )mA. Find thea. the total charge in the device at 1sb. the power consumed by the device at 1s.arrow_forwardConsider the circuit shown in the figure below where C1=48μF, C2=45μF, and C3=32μF . A voltage of Vab=8V is applied between points a and b while the switch is in the left position to charge C1. Once it is charged, the switch is turned to the right. What is the final charge on C3? Express your answer in units of μC using one decimal place.arrow_forwardA mechanical system takes 1 minute to expend 120,000 joules of energy to do work, what is the power (W) required to do the work? b)what is the amount of energy (in joule) that a 3-volt battery can produce in the form of work or heat per group of electrons that flow from the anode of the battery to the cathode. c)An experimental fuel cell produced 3 volt (V) with a 1000 ohm resister. How much power (mw) was produced by the fuel cell?arrow_forward
- a. The potential difference across the terminals of a battery is 8.5 V when there is a current of 3000 mA in the battery from negative to positive terminal. When the current is 2000 mA in the reverse direction, the potential difference becomes 11 V. What is the internal resistance of the battery? What is the emf of the battery?arrow_forwardReplace electrons with protons and solvearrow_forwardDetermine total charge entering the terminal between t-3 s and t-6 s if the current passing the terminal is i(t)=10t A, q(0)= 30 C. Please show all calculation steps. Please upload your solution in image format. REMARK For upload image question-type, you need to capture the image of your solution and upload your answer in Author using phone. The image automatically saved once successfully uploaded. Refer to the image below for a clear guidance. ClHO here to uploed your Type G &OF YOU Can upicad many time of solutionarrow_forward
- A current in the graph below enters a battery during charging. Find the total charge in the battery.arrow_forward11) Draw a circuit diagram with electrical symbols for the figure below. 100 N 50 N 10 µFarrow_forwardThe terminals of an electrical device are labeled a and b. If v ab = -10 V, how much energy is exchanged when a charge of 3 C moves through the device from a to b? Is the energy delivered to the device or taken from the device?arrow_forward
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