• 2022-07-28
    如图所示,一细螺绕环,它由表面绝 缘的导线在铁环上密绕而成,每厘米绕 10 匝, 当导线中的电流[tex=0.5x1.0]3EF1VcotinZAjtQqtSWaxw==[/tex]为[tex=2.071x1.0]WOIeJrjaxzFfnaf0JzIRKHNX4hEHU5i5aHpitoslP0Y=[/tex]时,测得铁环内的磁感应强度的大小为[tex=2.0x1.0]8aXSOSnOUztHlQ/oWXzK7FNAUmGXeE3KEanrVy+cztQ=[/tex].则可求 得铁环的相对磁导率为[img=173x271]17ab06066cf9bc6.png[/img]
    未知类型:{'options': ['[tex=4.429x1.357]oz0+2rXTlIuhZwVrVJ4pHGNPVHowu4SqFlwetzklcJU=[/tex]', '[tex=4.429x1.357]f1VhXfvhyAKG4mDOhnBujaleCIQ6EhaTrkJPLl+mwOc=[/tex]', '[tex=4.429x1.357]qiEDT159M/AVLyvr1qcCbD5zg4xJ1iuVqRdc9XR7D44=[/tex]', '[tex=4.429x1.357]LyCpFjksJ5crd6Eak9G8SE+QBEBBnXi/GVLz479gz68=[/tex]'], 'type': 102}
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