Magnetic Field Produced by Straight Currents Video Lessons

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Problem: Two long parallel wires carry currents of 20 A and 5 A in opposite directions. The wires are separated by 0.20 m. What is the magnitude of the magnetic field midway between the two wires? (μ0 = 4π x 10-7 T•m/A)A) 3.0 x 10-5 TB) 1.0 x 10-5 TC) 2.0 x 10-5 TD) 4.0  x 10-5 TE) 5.0 x 10-5 T

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Problem Details

Two long parallel wires carry currents of 20 A and 5 A in opposite directions. The wires are separated by 0.20 m. What is the magnitude of the magnetic field midway between the two wires? (μ0 = 4π x 10-7 T•m/A)

A) 3.0 x 10-5 T

B) 1.0 x 10-5 T

C) 2.0 x 10-5 T

D) 4.0  x 10-5 T

E) 5.0 x 10-5 T

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Based on our data, we think this problem is relevant for Professor Velissaris' class at UCF.