Fundamentals of Electric Circuits
6th Edition
ISBN: 9780078028229
Author: Charles K Alexander, Matthew Sadiku
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 1, Problem 37CP
A total of 2 MJ are delivered to an automobile battery (assume 12 V) giving it an additional charge. How much is that additional charge? Express your answer in ampere-hours.
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A battery may be rated in ampere – hours (Ah) lead-acid battery is rated at 160 Ah(a) What is the maximum current it can supply for 80 h?(b) How many days will it last if is discharged at 340mA?
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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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
- You wish to draw maximum power from a car battery that has 12V across its terminals when nothing is attached to it. You attach a 10 ohm load to the battery and measure 10.9W of power dissipated in the load resistance. What is the maximum power you could possibly dissipate in a load attached to the battery? (in Watts)arrow_forwardThe following gives the data when 100 regular light bulbs are replaced with 100 LED light bulbs. Ignore the interest rate and assume the electricity cost is $0.17/kWh. What will be the saving (in $) for 1200 hours? Regular light bulbs: Cost per piece: $1.00 Power rate: 100 W Lifetime: 2000 hours LED light bulbs: Cost per piece: $2.00 Power rate: 15 W Lifetime: 20000 hours A) 2394 B 2190 C) 1986 (D) 1782 E 1578arrow_forwardGiven: Vbatt is 14.5V to avoid overcharging the battery. Vbatt falls to 11.4V due to discharge at night. Question: If VB = 8.1V and the minimum current for VB is 0.4mA, what should be the maximum resistance value of RB? (in Ohms)arrow_forward
- Energizer battery is capable of delivering 85mA for about 12h. How much charge can it release at that rate? If its terminals voltage is 1.2V, how much energy can the battery deliver?arrow_forwardDetermine the current in the loop of 12ohms, 0.1vx, 12 ohms. (Express your answer in milli (103))arrow_forward7. If a barrel plating runs uses 180 A for exactly 6 hours for an electroplatingapplication at 0.30V, how many kWh have been used in the run? If the voltageis 0.90V, what is the power usage in kWh? (provide the given and required to find in the problem) (Kindly provide a CLEAR and COMPLETE solution) (Answer should be typewritten)arrow_forward
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- ampere-hour rating (Ah) The life of a battery is calculated by the life formula: Life of battery (in hours) Drain Current (A) What is the current drain of an Energizer D cell with ampere-hour rating of 12 Ah after 3 hours of use?arrow_forwardA flashlight has 4 - AA batteries. The combination has a capacity of 200 watt-sec. How long in mins will it take to discharge if the flashlight consumes 10 mA at 6 V? C. 45.6 min A. 55.6 min B. 65.6 min D. 75.6 min Two equal resistors when connected in series across a supply draws a total power of 20 watts. What is the total power drawn when the two resistors are connected in parallel across the same supply? A. 20 W B. 40 W C. 60 W D. 80 Warrow_forward1. A current of 3A flows for 60 seconds through a lamp. How much charge has moved? 2. If 28000 C of charge flows through an air conditioning unit every 2hours, what current does it draw?arrow_forward
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