Two very long, parallel wires are separated by a distance of 2 m. The top wire carries a current of 16 A flowing to the left. Point x lies between the wires, 0.4 m below the top wire (see figure below). (a) What is the strength of the magnetic field at point x due to the top wire? For part (a) and (b) you may assume no current is flowing in the bottom wire. (b) What is the direction of the magnetic field at point x due current flowing in the top wire? (Give your answer in terms of toward the top, bottom, left side, right side, into, or out of the page.) (c) What current must flow through the bottom wire to have the net (total) magnetic field be zero at point x? Specify both the magnitude and the direction of the current.
Two very long, parallel wires are separated by a distance of 2 m. The top wire carries a current of 16 A flowing to the left. Point x lies between the wires, 0.4 m below the top wire (see figure below). (a) What is the strength of the magnetic field at point x due to the top wire? For part (a) and (b) you may assume no current is flowing in the bottom wire. (b) What is the direction of the magnetic field at point x due current flowing in the top wire? (Give your answer in terms of toward the top, bottom, left side, right side, into, or out of the page.) (c) What current must flow through the bottom wire to have the net (total) magnetic field be zero at point x? Specify both the magnitude and the direction of the current.
Chapter7: Electricity
Section: Chapter Questions
Problem 13Q: (Indicates a review question, which means it requires only a basic understanding of the material to...
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- Two very long, parallel wires are separated by a distance of 2 m. The top wire carries a current of 16 A flowing to the left. Point x lies between the wires, 0.4 m below the top wire (see figure below).
(a) What is the strength of the magnetic field at point x due to the top wire? For part (a) and (b) you may assume no current is flowing in the bottom wire.
(b) What is the direction of the magnetic field at point x due current flowing in the top wire? (Give your answer in terms of toward the top, bottom, left side, right side, into, or out of the page.)
(c) What current must flow through the bottom wire to have the net (total) magnetic field be zero at point x? Specify both the magnitude and the direction of the current.
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