Magnetic Field Produced by Straight Currents Video Lessons

Concept

# Problem: A long, straight wire lies along the y-axis and carries a current 8.00 A in the -y-direction (Figure 1). In addition to the magnetic field due to the current in the wire, a uniform magnetic field Bapp with magnitude 1.50×10−6 T is in the +x-direction.What is the magnitude of the total field at the point x = 0, z = 1.00 m in the xz-plane?

###### FREE Expert Solution

Total field:

$\overline{){\mathbf{B}}{\mathbf{=}}{{\mathbf{B}}}_{{\mathbf{w}}}{\mathbf{+}}{{\mathbf{B}}}_{\mathbf{a}\mathbf{p}\mathbf{p}}}$

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###### Problem Details

A long, straight wire lies along the y-axis and carries a current 8.00 A in the -y-direction (Figure 1). In addition to the magnetic field due to the current in the wire, a uniform magnetic field Bapp with magnitude 1.50×10−6 T is in the +x-direction.

What is the magnitude of the total field at the point x = 0, z = 1.00 m in the xz-plane?

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