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- https://phys.libretexts.org/Courses/Muhlenberg_College/Physics_122%3A_General_Physics_II_(Collett)/08%3A_Sources_of_Magnetic_Fields/8.A%3A_Sources_of_Magnetic_Fields_(Answers)If you were to go to the start of a line segment and calculate the angle \(\displaystyle θ\) to be approximately \(\displaystyle 0°\), the wire can be considered infinite. Outside the pipe, there may ...If you were to go to the start of a line segment and calculate the angle \(\displaystyle θ\) to be approximately \(\displaystyle 0°\), the wire can be considered infinite. Outside the pipe, there may be an enclosed current through the copper pipe, so the magnetic field may not be zero outside the pipe. 21. \(\displaystyle a=\frac{2R}{π}\); the current in the wire to the right must flow up the page. The magnetic field is at a minimum at distance a from the top wire, or half-way between the wires.
- https://phys.libretexts.org/Courses/Kettering_University/Electricity_and_Magnetism_with_Applications_to_Amateur_Radio_and_Wireless_Technology/18%3A_Calculation_of_Magnetic_Quantities_from_Currents/18.18%3A_Sources_of_Magnetic_Fields_(Answers)If you were to go to the start of a line segment and calculate the angle \(\displaystyle θ\) to be approximately \(\displaystyle 0°\), the wire can be considered infinite. Outside the pipe, there may ...If you were to go to the start of a line segment and calculate the angle \(\displaystyle θ\) to be approximately \(\displaystyle 0°\), the wire can be considered infinite. Outside the pipe, there may be an enclosed current through the copper pipe, so the magnetic field may not be zero outside the pipe. 21. \(\displaystyle a=\frac{2R}{π}\); the current in the wire to the right must flow up the page. The magnetic field is at a minimum at distance a from the top wire, or half-way between the wires.
- https://phys.libretexts.org/Courses/Kettering_University/Electricity_and_Magnetism_with_Applications_to_Amateur_Radio_and_Wireless_Technology/08%3A_The_Magnetic_Field/8.14%3A_Sources_of_Magnetic_Fields_(Answers)If you were to go to the start of a line segment and calculate the angle \(\displaystyle θ\) to be approximately \(\displaystyle 0°\), the wire can be considered infinite. Outside the pipe, there may ...If you were to go to the start of a line segment and calculate the angle \(\displaystyle θ\) to be approximately \(\displaystyle 0°\), the wire can be considered infinite. Outside the pipe, there may be an enclosed current through the copper pipe, so the magnetic field may not be zero outside the pipe. 21. \(\displaystyle a=\frac{2R}{π}\); the current in the wire to the right must flow up the page. The magnetic field is at a minimum at distance a from the top wire, or half-way between the wires.
