The capacity of a storage battery, such as those used inautomobile electrical systems, is rated in ampere-hours (A - h).A 50 A ·h battery can supply a current of 50 A for 1.0 h, or25 A for 2.0 h, and so on.What total energy can be supplied by a 14 V, 70 A · h battery if its internal resistance is negligible?Express your answer in joules.IXIx•10"U =JSubmitPrevious Answers Request AnswerX Incorrect; Try Again; 9 attempts remainingPart BWhat volume (in liters) of gasoline has a total heat of combustion equal to the energy obtained in part (a)? (See Section 17.6; the density of gasoline is 900 kg/m.)Express your answer in liters.Πνα ΑΣφ?V =LSubmitRequest AnswerPart CIf a generator with an average electrical power output of 0.50 kW is connected to the battery, how much time will be required for it to charge the battery fully?Express your answer in hours.

When a potential difference is present across a conductor, and a current passes through it, the…

The capacity of a storage battery, such as those used in automobile electrical systems, is rated in ampere-hours (A - h). A 50 A-h battery can supply a current of 50 A for 1.0 h, or 25 A for 2.0 h, and so on. What total energy can be supplied by a 14 V, 70 A - h battery if its internal resistance is negligible? Express your answer in joules. ? x•10" U =

The capacity of a storage battery, such as those used in automobile electrical systems, is rated in ampere-hours (A - h). A 50 A-h battery can supply a current of 50 A for 1.0 h, or 25 A for 2.0 h, and so on. What total energy can be supplied by a 14 V, 70 A - h battery if its internal resistance is negligible? Express your answer in joules. ? x•10" U =

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter17: Current And Resistance

Section: Chapter Questions

Problem 66AP: When a straight wire is heated, its resistance changes according to the equation R = R0 [1 + (T ...

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When a straight wire is heated, its resistance changes according to the equation R = R0 [1 + (T T0)] (Eq. 17.7), where is the temperature coefficient of resistivity. (a) Show that a more precise result, which includes the length and area of a wire change when it is heated, is R=R0[1+(TT0)][1+(TT0)][1+2(TT0)] where is the coefficient of linear expansion. (See Topic 10.) (b) Compare the two results for a 2.00-m-long copper wire of radius 0.100 mm, starting at 20.0C and heated to 100.0C.
A typical cell phone consumes an average of about 1.00 W of electrical power and operates on 3.80 V. (a) What average current does the phone draw from its battery? (b) Calculate the energy stored in a fully charged battery if the phone requires charging after 5.00 hours of use.
In the figure ₁ = 4.03 V, 2 = 0.838 V, R₁ = 5.400, R₂ = 1.660, R3 = 5.390, and both batteries are ideal. What is the rate at which energy is dissipated in (a) R₁, (b) R₂, and (c) R3? What is the power of (d) battery 1 and (e) battery 2? R₁ R₂ - •18₁ (a) Number 1.388 Units W (b) Number 0.121 Units W (c) Number i 0.308 (d) Number 2.043 (e) Number i 0.228 www R$ Units W Units W Units W <
An engineer built the circuit depicted in the figure. Assuming & 8.00 V and R 4.70 Q, find the following quantities. 12.0 V ww 2.00 www 4.00 R •b (a) the current in the 2.000 resistor (Enter the magnitude in mA.) mA (b) the potential difference (in V) between points a and b v-v- v
17) B/s 676 78 B/s ll a f 0:\\ 9:1P "ll 100 Jo HW 3 (page 13 o. Imssb1.mutah.edu.jo What is the equivalent resistance between points A and B when R = 52.3 Q? %3D 5R В 5R 4R Select one: A. 87.17 B. 266.73 C. 162.13 D. 92.29 E. 78.45 Previous page Next page ...
In the figure below, take R1 = 260 Q, R2 = 180 2, and R3 = 68 Q. A potential %3D difference of 9.0 V is applied between points A and B. Find the voltage drop across resistor R1. R1 A•WW R2 R3 B«
The voltmeter in Fig. Q1(c) has a lead-to-lead resistance of 10 MS2. Its output for this measurement was found to be 0.8889 V. Describe the reason for this unexpected output, supported by numerical justification. 24 V 250 ΜΩ • 250 ΜΩ Fig. Q1(c) V voltmeter
Problem 7: Suppose you have an extension cord having a resistance of 0.065 2 @theexpertta.com-tracking id: 2N74-2F-82-4A-BAAB-13167. In accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account Part (a) Find the potential difference, in volts, between the ends of the extension cord when a 4.6-A current flows through it sinO cotanasin tan acos() cos() atan() acotan(O sinh() coshO tanh cotanhO O Degrees O Radians VC BACKSPACE CLEAR Submit Hint I give up! Part (b)_A cheaper cord utilizes thinner wire and has a resistance of 032 2. What is the potential difference between its ends when a 4.6-A current flows through it?
earning Portal Courses Reports - e-Services - Academic Departments - ETC CIMS - During an experiment to verify Ohm's law, the voltage supplied and the current through a circuit are measured. [Voltage is measured in Volt (V) and current in Ampere (A)]. ww R Battery The measured value of the current is I = 3.5 ± 0.1 A and that of the voltage is V = 13 + 0.5 V. The resistance of the circuit (in Q) can be calculated using the formula, R = V/I, Calculate the, a) Resistance (in Q) = b) Fractional uncertainty in the resistance = C) Absolute uncertainty (in Q) in the resistance= Finish atten
Te-Learning Portal Courses - Reports e-Services ▼ Academic Departments - ETC - CIMS Salim During an experiment to verify Ohm's law, the voltage supplied and the current through a circuit are measured. [Voltage is measured in Volt (V) and current in Ampere (A)]. ww R on Battery The measured value of the current is I = 3.1 ± 0.2 A and that of the voltage is V = 14 0.5 V. The resistance of the circuit (in N) can be calculated using the formula, R = V/I, Calculate the, a) Resistance (in 2) = b) Fractional uncertainty in the resistance = c) Absolute uncertainty (in 2) in the resistance=
(b) Consider a particular phone that has a battery rated at 2.500 mAh. The battery operates at a potential difference of 3.90 V. How much energy, in units of kilowatt-hours, is stored in a fully charged battery? 0.975-2 ✓kWh (c) If electricity costs $0.16 (or 16.0 cents) per kilowatt-hour, what is the value of the total amount of energy stored in this battery? Express your answer in cents (or 0.01 of a dollar). How can you relate the energy from part (b) to the cost per kilowatt-hour to find the total cost? (d) When the phone is idle (that is, turned on but not making calls or texts, using GPS, or running any power-hungry apps), it will operate continuously for 32.2 hours from a fully charged battery, until the battery runs out. How much average current does the phone draw while idle? Express your answer in milliamperes, MA
(b) Consider a particular phone that has a battery rated at 4,000 mAh. The battery operates at a potential difference of 3.90 V. How much energy, in units of kilowatt-hours, is stored in a fully charged battery? kWh (c) If electricity costs $0.12 (or 12.0 cents) per kilowatt-hour, what is the value of the total amount of energy stored in this battery? Express your answer in cents (or 0.01 of a dollar). ¢ (d) When the phone is idle (that is, turned on but not making calls or texts, using GPS, or running any power-hungry apps), it will operate continuously for 29.2 hours from a fully charged battery, until the battery runs out. How much average current does the phone draw while idle? Express your answer in milliamperes. mA