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 29, Problem 30P
(a)
To determine
The number of unpaired electrons.
(b)
To determine
The mass of the iron in kilogram would be present in the deposits.
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The magnetic moment of the Earth is approximately 8.00 x 1022 A ⋅ m2. Imagine that the planetary magnetic field were caused by the complete magnetization of a huge iron deposit with density 7 900 kg/m3 and approximately 8.50 x 1028 iron atoms/m3. (a) How many unpaired electrons, each with a magnetic moment of 9.27 x 10-24 A ⋅ m2, would participate? (b) At two unpaired electrons per iron atom, how many kilograms of iron would be present in the deposit?
The magnetic moment of the Earth is approximately 8.00 x 1022 A • m?. Imagine that the planetary magnetic field were caused by the complete magnetization of a huge iron deposit with
density 7 900 kg/m³ and approximately 8.50 x 1028 iron atoms/m3.
(a) How many unpaired electrons, each with a magnetic moment of 9.27 x 10-24 A· m2, would participate?
(b) At two unpaired electrons per iron atom, how many kilograms of iron would be present in the deposit?
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In an experiment designed to measure the Earth's magnetic field using the Hall effect, a copper bar 0.560 cm thick is positioned along an east–west direction. Assume n = 8.46 × 1028 electrons/m3 and the plane of the bar is rotated to be perpendicular to the direction of
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If a current of 8.00 A in the conductor results in a Hall voltage of 4.30 10-12 V, what is the magnitude of the Earth's magnetic field at this location?
Chapter 29 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 29.1 - Consider the magnetic field due to the current in...Ch. 29.2 - Prob. 29.2QQCh. 29.3 - Prob. 29.3QQCh. 29.3 - Prob. 29.4QQCh. 29.4 - Consider a solenoid that is very long compared...Ch. 29 - Calculate the magnitude of the magnetic field at a...Ch. 29 - Prob. 2PCh. 29 - In Niels Bohrs 1913 model of the hydrogen atom, an...Ch. 29 - Prob. 4PCh. 29 - Prob. 5P
Ch. 29 - Consider a flat, circular current loop of radius R...Ch. 29 - Prob. 7PCh. 29 - One long wire carries current 30.0 A to the left...Ch. 29 - Determine the magnetic field (in terms of I, a,...Ch. 29 - Prob. 10PCh. 29 - Two long, parallel wires carry currents of I1 =...Ch. 29 - Prob. 12PCh. 29 - Prob. 13PCh. 29 - Prob. 14PCh. 29 - You are part of a team working in a machine parts...Ch. 29 - Why is the following situation impossible? Two...Ch. 29 - Prob. 17PCh. 29 - Prob. 18PCh. 29 - The magnetic coils of a tokamak fusion reactor are...Ch. 29 - A packed bundle of 100 long, straight, insulated...Ch. 29 - Prob. 21PCh. 29 - Prob. 22PCh. 29 - A long solenoid that has 1 000 turns uniformly...Ch. 29 - Prob. 24PCh. 29 - Prob. 25PCh. 29 - Prob. 26PCh. 29 - Prob. 27PCh. 29 - You are working for a company that creates special...Ch. 29 - A solenoid of radius r = 1.25 cm and length =...Ch. 29 - Prob. 30PCh. 29 - Prob. 31APCh. 29 - Why is the following situation impossible? The...Ch. 29 - Prob. 33APCh. 29 - Prob. 34APCh. 29 - Prob. 35APCh. 29 - Prob. 36APCh. 29 - A very large parallel-plate capacitor has uniform...Ch. 29 - Two circular coils of radius R, each with N turns,...Ch. 29 - Prob. 39APCh. 29 - Two circular loops are parallel, coaxial, and...Ch. 29 - Prob. 41APCh. 29 - Review. Rail guns have been suggested for...Ch. 29 - Prob. 43APCh. 29 - An infinitely long, straight wire carrying a...Ch. 29 - Prob. 45CPCh. 29 - Prob. 46CPCh. 29 - A wire carrying a current I is bent into the shape...Ch. 29 - Prob. 48CPCh. 29 - Prob. 49CPCh. 29 - Prob. 50CPCh. 29 - Prob. 51CP
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