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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Chapter 31, Problem 23SP
A uniformly wound air-core toroid has 750 loops on it. The radius of the circle through the center of its windings is 5 cm. What current in the winding will produce a field of 1.8 mT on this central circle?
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A square loop whose sides are 6.0-cm long is made with copper wire of radius 1.0 mm. If amagnetic field perpendicular to the loop is changing at a rate of 5.0 mT/s, what is the currentin the loop?
this is not graded and will not be
A circular loop made of copper wire with a diameter 0.96 mm is placed in a uniform magnetic field 0.274 T with field lines directed perpendicular to the loop plane. The shape of the loop is changed from circular to a square one. Find the total charge that flows in the conductor if the radius of the circular loop is 0.1 m. Use the copper resistivity 1.68E-8 Ohm⋅m.
Your employer asks you to build a 23-cm-long
solenoid with an interior field of 5.3 mT . The
specifications call for a single layer of wire, wound
with the coils as close together as possible. You
have two spools of wire available. Wire with a #18
gauge has a diameter of 1.02 mm and has a
maximum current rating of 6 A. Wire with a #26
gauge is 0.41 mm in diameter and can carry up to
1 A.
Part B
What current will you need?
Express your answer to two significant figures and include the appropriate units.
Chapter 31 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
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