Two wires, each having a weight per unit length of 1.00×10-4 N/m, are parallel with one directly above the other. Assume the wires carry currents that are equal in magnitude and opposite in direction. The wires are 0.10 m apart, and the sum of the magnetic force and gravitational force on the upper wire is zero. Find the current (in A) in the wires. (Neglect Earth’s magnetic field.)
Two wires, each having a weight per unit length of 1.00×10-4 N/m, are parallel with one directly above the other. Assume the wires carry currents that are equal in magnitude and opposite in direction. The wires are 0.10 m apart, and the sum of the magnetic force and gravitational force on the upper wire is zero. Find the current (in A) in the wires. (Neglect Earth’s magnetic field.)
Chapter12: Sources Of Magnetic Fields
Section: Chapter Questions
Problem 21P: Two long wires, one of which has a semicircular tend of radius R, are positioned as shown in the...
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Two wires, each having a weight per unit length of 1.00×10-4 N/m, are parallel with one directly above the other. Assume the wires carry currents that are equal in magnitude and opposite in direction. The wires are 0.10 m apart, and the sum of the magnetic force and gravitational force on the upper wire is zero. Find the current (in A) in the wires. (Neglect Earth’s magnetic field.) |
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