Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Question
Chapter 31, Problem 20SP
To determine
The value of the magnetic field at the end of an air-core solenoid having 20,000 turns per meter if it carries a current of
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The small currents in axons corresponding to nerve impulses produce measurable magneticfields. A typical axion carries a peak current of 0. 040 μA. What is the strength of the field at a distanceof 0.9 mm?
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It is desired to construct a solenoid that will have a resistance of 4.15 2 (at 20°C) and produce a magnetic field of 4.00 x 10-2 T at its center when it carries a current of 5.00 A. The solenoid is
to be constructed from copper wire having a diameter of 0.500 mm. If the radius of the solenoid is to be 1.00 cm, determine the following. (The resistivity of copper at 20°C is
1.7 x 10-8 0 • m.)
(a) the number of turns of wire needed to build the solenoid
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(b) the length the solenoid should have
cm
Chapter 31 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
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