The magnitude of the magnetic field produced by a long, straight wire is proportional to the current passing through the wire and inversely proportional to the distance from the wire. Consider five pairs of long, parallel wires shown as choices below. The arrows indicate the direction of the current in each wire, with small arrows representing a current of 2 A and large arrows representing a current of 7 A. For each pair, determine in which one of the regions the net magnetic field is zero someplace: ⚫on the left of both wires between the two wires on the right of both wires ⚫none of the above (i.e., nowhere) Do not consider distances very far from the wires, since in this case the magnetic field always goes to zero. Left Between Answer Bank Right Nowhere
The magnitude of the magnetic field produced by a long, straight wire is proportional to the current passing through the wire and inversely proportional to the distance from the wire. Consider five pairs of long, parallel wires shown as choices below. The arrows indicate the direction of the current in each wire, with small arrows representing a current of 2 A and large arrows representing a current of 7 A. For each pair, determine in which one of the regions the net magnetic field is zero someplace: ⚫on the left of both wires between the two wires on the right of both wires ⚫none of the above (i.e., nowhere) Do not consider distances very far from the wires, since in this case the magnetic field always goes to zero. Left Between Answer Bank Right Nowhere
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter24: Magnetic Fields
Section: Chapter Questions
Problem 103A
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