截面为任意形状无限长螺线管的磁场

Magnetic field of a solenoid of arbitrarily shaped cross-section

应用毕奥 -萨伐尔定律计算了截面为任意形状无限长载流螺线管的磁场的磁感应强度 ,它与截面为圆形的无限长载流螺线管的磁场相同 .

By using the Biot Savart law,the magnetic field of an infinite solenoid of arbitrarily shaped cross section is calculated.This result is just like the magnetic field of an infinite solenoid of circular cross section.