Physics for Scientists and Engineers with Modern Physics
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN: 9781337553292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 24, Problem 1P

How much work is done (by a battery, generator, or some other source of potential difference) in moving Avogadro’s number of electrons from an initial point where the electric potential is 9.00 V to a point where the electric potential is −5.00 V? (The potential in each case is measured relative to a common reference point.)

Expert Solution & Answer
Check Mark
To determine

The work done by the battery, generator, or some other source in moving Avogadro’s number of electron from an initial point to final point.

Answer to Problem 1P

The work done by the battery, generator, or some other source in moving Avogadro’s number of electron from an initial point to final point is 1.35MJ .

Explanation of Solution

Given information: Electric potential at initial point is 9.00V and the electric potential at final point is 5.00V , number of electron is equal to Avogadro’s number.

The expression for the work done is given as,

W=ΔV×Q (1)

The value of potential difference is calculated as,

ΔV=VfVi

Substitute 5.00V for Vf and 9.00V for Vi in the above equation.

ΔV=VfVi=5.00V9.00V=14.00V

The expression for the total charge is given as,

Q=ne

Here,

Q is total charge.

n is number of electrons.

e is the change of 1 electron.

Substitute 6.022×1023 for n and 1.6×1019C in the above equation.

Q=6.022×1023×1.6×1019C=96352C

Substitute 96352C for Q and 14.00V for ΔV in the above equation.

W=96352C×(14.00V)=1348928J=1.35MJ

Conclusion:

Therefore, the work done by the battery, generator, or some other source in moving Avogadro’s number of electron from an initial point to final point is 1.35MJ .

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Chapter 24 Solutions

Physics for Scientists and Engineers with Modern Physics

Ch. 24 - Three positive charges are located at the corners...Ch. 24 - Two point charges Q1 = +5.00 nC and Q2 = 3.00 nC...Ch. 24 - You are working on a laboratory device that...Ch. 24 - Your roommate is having trouble understanding why...Ch. 24 - Four point charges each having charge Q are...Ch. 24 - The two charges in Figure P24.12 are separated by...Ch. 24 - Show that the amount of work required to assemble...Ch. 24 - Two charged particles of equal magnitude are...Ch. 24 - Three particles with equal positive charges q are...Ch. 24 - Prob. 16PCh. 24 - Prob. 17PCh. 24 - Prob. 18PCh. 24 - How much work is required to assemble eight...Ch. 24 - Four identical particles, each having charge q and...Ch. 24 - It is shown in Example 24.7 that the potential at...Ch. 24 - Figure P24.22 represents a graph of the electric...Ch. 24 - Figure P24.23 shows several equipotential lines,...Ch. 24 - An electric field in a region of space is parallel...Ch. 24 - A rod of length L (Fig. P24.25) lies along the x...Ch. 24 - For the arrangement described in Problem 25,...Ch. 24 - A wire having a uniform linear charge density is...Ch. 24 - You are a coach for the Physics Olympics team...Ch. 24 - The electric field magnitude on the surface of an...Ch. 24 - Why is the following situation impossible? A solid...Ch. 24 - A solid metallic sphere of radius a carries total...Ch. 24 - Prob. 32PCh. 24 - A very large, thin, flat plate of aluminum of area...Ch. 24 - Prob. 34PCh. 24 - Prob. 35PCh. 24 - A long, straight wire is surrounded by a hollow...Ch. 24 - Prob. 37APCh. 24 - Prob. 38APCh. 24 - Prob. 39APCh. 24 - Why is the following situation impossible? You set...Ch. 24 - The thin, uniformly charged rod shown in Figure...Ch. 24 - A GeigerMueller tube is a radiation detector that...Ch. 24 - Review. Two parallel plates having charges of...Ch. 24 - When an uncharged conducting sphere of radius a is...Ch. 24 - A solid, insulating sphere of radius a has a...Ch. 24 - Prob. 46APCh. 24 - For the configuration shown in Figure P24.45,...Ch. 24 - An electric dipole is located along the y axis as...Ch. 24 - A disk of radius R (Fig. P24.49) has a nonuniform...Ch. 24 - Prob. 50CPCh. 24 - (a) A uniformly charged cylindrical shell with no...
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