4. A long straight wire carries a current of D/5 A and a circular loop of wire carries a current of B/5 Amp and has a radius of C cm. a. Find the magnitude and direction of the magnetic field at the center of the loop. b. If there is an electron moving towards the straight wire, v= B/5 m/s, what will be the magnitude and direction of magnetic force? W
4. A long straight wire carries a current of D/5 A and a circular loop of wire carries a current of B/5 Amp and has a radius of C cm. a. Find the magnitude and direction of the magnetic field at the center of the loop. b. If there is an electron moving towards the straight wire, v= B/5 m/s, what will be the magnitude and direction of magnetic force? W
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter28: Magnetic Fields
Section: Chapter Questions
Problem 27P: A strong magnet is placed under a horizontal conducting ring of radius r that carries current I as...
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A = 60 B = 70 C = 170 D = 7
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