A long straight wire carries a current of 57.9 A. An electron, traveling at 7.82 × 10 m/s, is 6.55 cm from the wire. What is the magnitude of the magnetic force on the electron if the electron velocity is directed (a) toward the wire, (b) parallel to the wire in the direction of the current, and (c) perpendicular to the two directions defined by (a) and (b)? (a) Number Units • (b) Number i Units (c) Number Units

University Physics Volume 2
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ISBN:9781938168161
Author:OpenStax
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Chapter12: Sources Of Magnetic Fields
Section: Chapter Questions
Problem 25P: A long, straight, horizontal wire carries a left-to-right current of 20 A. If the wire is placed in...
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A long straight wire carries a current of 57.9 A. An electron, traveling at 7.82 × 107 m/s, is 6.55 cm from the wire. What is the
magnitude of the magnetic force on the electron if the electron velocity is directed (a) toward the wire, (b) parallel to the wire in the
direction of the current, and (c) perpendicular to the two directions defined by (a) and (b)?
(a) Number
i
Units
(b) Number
i
Units
(c) Number
Units
Transcribed Image Text:A long straight wire carries a current of 57.9 A. An electron, traveling at 7.82 × 107 m/s, is 6.55 cm from the wire. What is the magnitude of the magnetic force on the electron if the electron velocity is directed (a) toward the wire, (b) parallel to the wire in the direction of the current, and (c) perpendicular to the two directions defined by (a) and (b)? (a) Number i Units (b) Number i Units (c) Number Units
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